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//! moment.js

//! version : 2.14.1

//! authors : Tim Wood, Iskren Chernev, Moment.js contributors

//! license : MIT

//! momentjs.com



;
(function (global, factory) {

    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
            typeof define === 'function' && define.amd ? define(factory) :
            global.moment = factory()

}(this, function () {
    'use strict';



    var hookCallback;



    function utils_hooks__hooks() {

        return hookCallback.apply(null, arguments);

    }



    // This is done to register the method called with moment()

    // without creating circular dependencies.

    function setHookCallback(callback) {

        hookCallback = callback;

    }



    function isArray(input) {

        return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';

    }



    function isObject(input) {

        return Object.prototype.toString.call(input) === '[object Object]';

    }



    function isObjectEmpty(obj) {

        var k;

        for (k in obj) {

            // even if its not own property I'd still call it non-empty

            return false;

        }

        return true;

    }



    function isDate(input) {

        return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';

    }



    function map(arr, fn) {

        var res = [], i;

        for (i = 0; i < arr.length; ++i) {

            res.push(fn(arr[i], i));

        }

        return res;

    }



    function hasOwnProp(a, b) {

        return Object.prototype.hasOwnProperty.call(a, b);

    }



    function extend(a, b) {

        for (var i in b) {

            if (hasOwnProp(b, i)) {

                a[i] = b[i];

            }

        }



        if (hasOwnProp(b, 'toString')) {

            a.toString = b.toString;

        }



        if (hasOwnProp(b, 'valueOf')) {

            a.valueOf = b.valueOf;

        }



        return a;

    }



    function create_utc__createUTC(input, format, locale, strict) {

        return createLocalOrUTC(input, format, locale, strict, true).utc();

    }



    function defaultParsingFlags() {

        // We need to deep clone this object.

        return {

            empty: false,

            unusedTokens: [],

            unusedInput: [],

            overflow: -2,

            charsLeftOver: 0,

            nullInput: false,

            invalidMonth: null,

            invalidFormat: false,

            userInvalidated: false,

            iso: false,

            parsedDateParts: [],

            meridiem: null

        };

    }



    function getParsingFlags(m) {

        if (m._pf == null) {

            m._pf = defaultParsingFlags();

        }

        return m._pf;

    }



    var some;

    if (Array.prototype.some) {

        some = Array.prototype.some;

    } else {

        some = function (fun) {

            var t = Object(this);

            var len = t.length >>> 0;



            for (var i = 0; i < len; i++) {

                if (i in t && fun.call(this, t[i], i, t)) {

                    return true;

                }

            }



            return false;

        };

    }



    function valid__isValid(m) {

        if (m._isValid == null) {

            var flags = getParsingFlags(m);

            var parsedParts = some.call(flags.parsedDateParts, function (i) {

                return i != null;

            });

            m._isValid = !isNaN(m._d.getTime()) &&
                    flags.overflow < 0 &&
                    !flags.empty &&
                    !flags.invalidMonth &&
                    !flags.invalidWeekday &&
                    !flags.nullInput &&
                    !flags.invalidFormat &&
                    !flags.userInvalidated &&
                    (!flags.meridiem || (flags.meridiem && parsedParts));



            if (m._strict) {

                m._isValid = m._isValid &&
                        flags.charsLeftOver === 0 &&
                        flags.unusedTokens.length === 0 &&
                        flags.bigHour === undefined;

            }

        }

        return m._isValid;

    }



    function valid__createInvalid(flags) {

        var m = create_utc__createUTC(NaN);

        if (flags != null) {

            extend(getParsingFlags(m), flags);

        } else {

            getParsingFlags(m).userInvalidated = true;

        }



        return m;

    }



    function isUndefined(input) {

        return input === void 0;

    }



    // Plugins that add properties should also add the key here (null value),

    // so we can properly clone ourselves.

    var momentProperties = utils_hooks__hooks.momentProperties = [];



    function copyConfig(to, from) {

        var i, prop, val;



        if (!isUndefined(from._isAMomentObject)) {

            to._isAMomentObject = from._isAMomentObject;

        }

        if (!isUndefined(from._i)) {

            to._i = from._i;

        }

        if (!isUndefined(from._f)) {

            to._f = from._f;

        }

        if (!isUndefined(from._l)) {

            to._l = from._l;

        }

        if (!isUndefined(from._strict)) {

            to._strict = from._strict;

        }

        if (!isUndefined(from._tzm)) {

            to._tzm = from._tzm;

        }

        if (!isUndefined(from._isUTC)) {

            to._isUTC = from._isUTC;

        }

        if (!isUndefined(from._offset)) {

            to._offset = from._offset;

        }

        if (!isUndefined(from._pf)) {

            to._pf = getParsingFlags(from);

        }

        if (!isUndefined(from._locale)) {

            to._locale = from._locale;

        }



        if (momentProperties.length > 0) {

            for (i in momentProperties) {

                prop = momentProperties[i];

                val = from[prop];

                if (!isUndefined(val)) {

                    to[prop] = val;

                }

            }

        }



        return to;

    }



    var updateInProgress = false;



    // Moment prototype object

    function Moment(config) {

        copyConfig(this, config);

        this._d = new Date(config._d != null ? config._d.getTime() : NaN);

        // Prevent infinite loop in case updateOffset creates new moment

        // objects.

        if (updateInProgress === false) {

            updateInProgress = true;

            utils_hooks__hooks.updateOffset(this);

            updateInProgress = false;

        }

    }



    function isMoment(obj) {

        return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);

    }



    function absFloor(number) {

        if (number < 0) {

            // -0 -> 0

            return Math.ceil(number) || 0;

        } else {

            return Math.floor(number);

        }

    }



    function toInt(argumentForCoercion) {

        var coercedNumber = +argumentForCoercion,
                value = 0;



        if (coercedNumber !== 0 && isFinite(coercedNumber)) {

            value = absFloor(coercedNumber);

        }



        return value;

    }



    // compare two arrays, return the number of differences

    function compareArrays(array1, array2, dontConvert) {

        var len = Math.min(array1.length, array2.length),
                lengthDiff = Math.abs(array1.length - array2.length),
                diffs = 0,
                i;

        for (i = 0; i < len; i++) {

            if ((dontConvert && array1[i] !== array2[i]) ||
                    (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {

                diffs++;

            }

        }

        return diffs + lengthDiff;

    }



    function warn(msg) {

        if (utils_hooks__hooks.suppressDeprecationWarnings === false &&
                (typeof console !== 'undefined') && console.warn) {

            console.warn('Deprecation warning: ' + msg);

        }

    }



    function deprecate(msg, fn) {

        var firstTime = true;



        return extend(function () {

            if (utils_hooks__hooks.deprecationHandler != null) {

                utils_hooks__hooks.deprecationHandler(null, msg);

            }

            if (firstTime) {

                warn(msg + '\nArguments: ' + Array.prototype.slice.call(arguments).join(', ') + '\n' + (new Error()).stack);

                firstTime = false;

            }

            return fn.apply(this, arguments);

        }, fn);

    }



    var deprecations = {};



    function deprecateSimple(name, msg) {

        if (utils_hooks__hooks.deprecationHandler != null) {

            utils_hooks__hooks.deprecationHandler(name, msg);

        }

        if (!deprecations[name]) {

            warn(msg);

            deprecations[name] = true;

        }

    }



    utils_hooks__hooks.suppressDeprecationWarnings = false;

    utils_hooks__hooks.deprecationHandler = null;



    function isFunction(input) {

        return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';

    }



    function locale_set__set(config) {

        var prop, i;

        for (i in config) {

            prop = config[i];

            if (isFunction(prop)) {

                this[i] = prop;

            } else {

                this['_' + i] = prop;

            }

        }

        this._config = config;

        // Lenient ordinal parsing accepts just a number in addition to

        // number + (possibly) stuff coming from _ordinalParseLenient.

        this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + (/\d{1,2}/).source);

    }



    function mergeConfigs(parentConfig, childConfig) {

        var res = extend({}, parentConfig), prop;

        for (prop in childConfig) {

            if (hasOwnProp(childConfig, prop)) {

                if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {

                    res[prop] = {};

                    extend(res[prop], parentConfig[prop]);

                    extend(res[prop], childConfig[prop]);

                } else if (childConfig[prop] != null) {

                    res[prop] = childConfig[prop];

                } else {

                    delete res[prop];

                }

            }

        }

        for (prop in parentConfig) {

            if (hasOwnProp(parentConfig, prop) &&
                    !hasOwnProp(childConfig, prop) &&
                    isObject(parentConfig[prop])) {

                // make sure changes to properties don't modify parent config

                res[prop] = extend({}, res[prop]);

            }

        }

        return res;

    }



    function Locale(config) {

        if (config != null) {

            this.set(config);

        }

    }



    var keys;



    if (Object.keys) {

        keys = Object.keys;

    } else {

        keys = function (obj) {

            var i, res = [];

            for (i in obj) {

                if (hasOwnProp(obj, i)) {

                    res.push(i);

                }

            }

            return res;

        };

    }



    var defaultCalendar = {

        sameDay: '[Today at] LT',

        nextDay: '[Tomorrow at] LT',

        nextWeek: 'dddd [at] LT',

        lastDay: '[Yesterday at] LT',

        lastWeek: '[Last] dddd [at] LT',

        sameElse: 'L'

    };



    function locale_calendar__calendar(key, mom, now) {

        var output = this._calendar[key] || this._calendar['sameElse'];

        return isFunction(output) ? output.call(mom, now) : output;

    }



    var defaultLongDateFormat = {

        LTS: 'h:mm:ss A',

        LT: 'h:mm A',

        L: 'MM/DD/YYYY',

        LL: 'MMMM D, YYYY',

        LLL: 'MMMM D, YYYY h:mm A',

        LLLL: 'dddd, MMMM D, YYYY h:mm A'

    };



    function longDateFormat(key) {

        var format = this._longDateFormat[key],
                formatUpper = this._longDateFormat[key.toUpperCase()];



        if (format || !formatUpper) {

            return format;

        }



        this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {

            return val.slice(1);

        });



        return this._longDateFormat[key];

    }



    var defaultInvalidDate = 'Invalid date';



    function invalidDate() {

        return this._invalidDate;

    }



    var defaultOrdinal = '%d';

    var defaultOrdinalParse = /\d{1,2}/;



    function ordinal(number) {

        return this._ordinal.replace('%d', number);

    }



    var defaultRelativeTime = {

        future: 'in %s',

        past: '%s ago',

        s: 'a few seconds',

        m: 'a minute',

        mm: '%d minutes',

        h: 'an hour',

        hh: '%d hours',

        d: 'a day',

        dd: '%d days',

        M: 'a month',

        MM: '%d months',

        y: 'a year',

        yy: '%d years'

    };



    function relative__relativeTime(number, withoutSuffix, string, isFuture) {

        var output = this._relativeTime[string];

        return (isFunction(output)) ?
                output(number, withoutSuffix, string, isFuture) :
                output.replace(/%d/i, number);

    }



    function pastFuture(diff, output) {

        var format = this._relativeTime[diff > 0 ? 'future' : 'past'];

        return isFunction(format) ? format(output) : format.replace(/%s/i, output);

    }



    var aliases = {};



    function addUnitAlias(unit, shorthand) {

        var lowerCase = unit.toLowerCase();

        aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;

    }



    function normalizeUnits(units) {

        return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;

    }



    function normalizeObjectUnits(inputObject) {

        var normalizedInput = {},
                normalizedProp,
                prop;



        for (prop in inputObject) {

            if (hasOwnProp(inputObject, prop)) {

                normalizedProp = normalizeUnits(prop);

                if (normalizedProp) {

                    normalizedInput[normalizedProp] = inputObject[prop];

                }

            }

        }



        return normalizedInput;

    }



    var priorities = {};



    function addUnitPriority(unit, priority) {

        priorities[unit] = priority;

    }



    function getPrioritizedUnits(unitsObj) {

        var units = [];

        for (var u in unitsObj) {

            units.push({unit: u, priority: priorities[u]});

        }

        units.sort(function (a, b) {

            return a.priority - b.priority;

        });

        return units;

    }



    function makeGetSet(unit, keepTime) {

        return function (value) {

            if (value != null) {

                get_set__set(this, unit, value);

                utils_hooks__hooks.updateOffset(this, keepTime);

                return this;

            } else {

                return get_set__get(this, unit);

            }

        };

    }



    function get_set__get(mom, unit) {

        return mom.isValid() ?
                mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;

    }



    function get_set__set(mom, unit, value) {

        if (mom.isValid()) {

            mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);

        }

    }



    // MOMENTS



    function stringGet(units) {

        units = normalizeUnits(units);

        if (isFunction(this[units])) {

            return this[units]();

        }

        return this;

    }





    function stringSet(units, value) {

        if (typeof units === 'object') {

            units = normalizeObjectUnits(units);

            var prioritized = getPrioritizedUnits(units);

            for (var i = 0; i < prioritized.length; i++) {

                this[prioritized[i].unit](units[prioritized[i].unit]);

            }

        } else {

            units = normalizeUnits(units);

            if (isFunction(this[units])) {

                return this[units](value);

            }

        }

        return this;

    }



    function zeroFill(number, targetLength, forceSign) {

        var absNumber = '' + Math.abs(number),
                zerosToFill = targetLength - absNumber.length,
                sign = number >= 0;

        return (sign ? (forceSign ? '+' : '') : '-') +
                Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;

    }



    var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;



    var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;



    var formatFunctions = {};



    var formatTokenFunctions = {};



    // token:    'M'

    // padded:   ['MM', 2]

    // ordinal:  'Mo'

    // callback: function () { this.month() + 1 }

    function addFormatToken(token, padded, ordinal, callback) {

        var func = callback;

        if (typeof callback === 'string') {

            func = function () {

                return this[callback]();

            };

        }

        if (token) {

            formatTokenFunctions[token] = func;

        }

        if (padded) {

            formatTokenFunctions[padded[0]] = function () {

                return zeroFill(func.apply(this, arguments), padded[1], padded[2]);

            };

        }

        if (ordinal) {

            formatTokenFunctions[ordinal] = function () {

                return this.localeData().ordinal(func.apply(this, arguments), token);

            };

        }

    }



    function removeFormattingTokens(input) {

        if (input.match(/\[[\s\S]/)) {

            return input.replace(/^\[|\]$/g, '');

        }

        return input.replace(/\\/g, '');

    }



    function makeFormatFunction(format) {

        var array = format.match(formattingTokens), i, length;



        for (i = 0, length = array.length; i < length; i++) {

            if (formatTokenFunctions[array[i]]) {

                array[i] = formatTokenFunctions[array[i]];

            } else {

                array[i] = removeFormattingTokens(array[i]);

            }

        }



        return function (mom) {

            var output = '', i;

            for (i = 0; i < length; i++) {

                output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];

            }

            return output;

        };

    }



    // format date using native date object

    function formatMoment(m, format) {

        if (!m.isValid()) {

            return m.localeData().invalidDate();

        }



        format = expandFormat(format, m.localeData());

        formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);



        return formatFunctions[format](m);

    }



    function expandFormat(format, locale) {

        var i = 5;



        function replaceLongDateFormatTokens(input) {

            return locale.longDateFormat(input) || input;

        }



        localFormattingTokens.lastIndex = 0;

        while (i >= 0 && localFormattingTokens.test(format)) {

            format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);

            localFormattingTokens.lastIndex = 0;

            i -= 1;

        }



        return format;

    }



    var match1 = /\d/;            //       0 - 9

    var match2 = /\d\d/;          //      00 - 99

    var match3 = /\d{3}/;         //     000 - 999

    var match4 = /\d{4}/;         //    0000 - 9999

    var match6 = /[+-]?\d{6}/;    // -999999 - 999999

    var match1to2 = /\d\d?/;         //       0 - 99

    var match3to4 = /\d\d\d\d?/;     //     999 - 9999

    var match5to6 = /\d\d\d\d\d\d?/; //   99999 - 999999

    var match1to3 = /\d{1,3}/;       //       0 - 999

    var match1to4 = /\d{1,4}/;       //       0 - 9999

    var match1to6 = /[+-]?\d{1,6}/;  // -999999 - 999999



    var matchUnsigned = /\d+/;           //       0 - inf

    var matchSigned = /[+-]?\d+/;      //    -inf - inf



    var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z

    var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z



    var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123



    // any word (or two) characters or numbers including two/three word month in arabic.

    // includes scottish gaelic two word and hyphenated months

    var matchWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;





    var regexes = {};



    function addRegexToken(token, regex, strictRegex) {

        regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {

            return (isStrict && strictRegex) ? strictRegex : regex;

        };

    }



    function getParseRegexForToken(token, config) {

        if (!hasOwnProp(regexes, token)) {

            return new RegExp(unescapeFormat(token));

        }



        return regexes[token](config._strict, config._locale);

    }



    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript

    function unescapeFormat(s) {

        return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {

            return p1 || p2 || p3 || p4;

        }));

    }



    function regexEscape(s) {

        return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');

    }



    var tokens = {};



    function addParseToken(token, callback) {

        var i, func = callback;

        if (typeof token === 'string') {

            token = [token];

        }

        if (typeof callback === 'number') {

            func = function (input, array) {

                array[callback] = toInt(input);

            };

        }

        for (i = 0; i < token.length; i++) {

            tokens[token[i]] = func;

        }

    }



    function addWeekParseToken(token, callback) {

        addParseToken(token, function (input, array, config, token) {

            config._w = config._w || {};

            callback(input, config._w, config, token);

        });

    }



    function addTimeToArrayFromToken(token, input, config) {

        if (input != null && hasOwnProp(tokens, token)) {

            tokens[token](input, config._a, config, token);

        }

    }



    var YEAR = 0;

    var MONTH = 1;

    var DATE = 2;

    var HOUR = 3;

    var MINUTE = 4;

    var SECOND = 5;

    var MILLISECOND = 6;

    var WEEK = 7;

    var WEEKDAY = 8;



    var indexOf;



    if (Array.prototype.indexOf) {

        indexOf = Array.prototype.indexOf;

    } else {

        indexOf = function (o) {

            // I know

            var i;

            for (i = 0; i < this.length; ++i) {

                if (this[i] === o) {

                    return i;

                }

            }

            return -1;

        };

    }



    function daysInMonth(year, month) {

        return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();

    }



    // FORMATTING



    addFormatToken('M', ['MM', 2], 'Mo', function () {

        return this.month() + 1;

    });



    addFormatToken('MMM', 0, 0, function (format) {

        return this.localeData().monthsShort(this, format);

    });



    addFormatToken('MMMM', 0, 0, function (format) {

        return this.localeData().months(this, format);

    });



    // ALIASES



    addUnitAlias('month', 'M');



    // PRIORITY



    addUnitPriority('month', 8);



    // PARSING



    addRegexToken('M', match1to2);

    addRegexToken('MM', match1to2, match2);

    addRegexToken('MMM', function (isStrict, locale) {

        return locale.monthsShortRegex(isStrict);

    });

    addRegexToken('MMMM', function (isStrict, locale) {

        return locale.monthsRegex(isStrict);

    });



    addParseToken(['M', 'MM'], function (input, array) {

        array[MONTH] = toInt(input) - 1;

    });



    addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {

        var month = config._locale.monthsParse(input, token, config._strict);

        // if we didn't find a month name, mark the date as invalid.

        if (month != null) {

            array[MONTH] = month;

        } else {

            getParsingFlags(config).invalidMonth = input;

        }

    });



    // LOCALES



    var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s+)+MMMM?/;

    var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');

    function localeMonths(m, format) {

        return isArray(this._months) ? this._months[m.month()] :
                this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];

    }



    var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');

    function localeMonthsShort(m, format) {

        return isArray(this._monthsShort) ? this._monthsShort[m.month()] :
                this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];

    }



    function units_month__handleStrictParse(monthName, format, strict) {

        var i, ii, mom, llc = monthName.toLocaleLowerCase();

        if (!this._monthsParse) {

            // this is not used

            this._monthsParse = [];

            this._longMonthsParse = [];

            this._shortMonthsParse = [];

            for (i = 0; i < 12; ++i) {

                mom = create_utc__createUTC([2000, i]);

                this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();

                this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();

            }

        }



        if (strict) {

            if (format === 'MMM') {

                ii = indexOf.call(this._shortMonthsParse, llc);

                return ii !== -1 ? ii : null;

            } else {

                ii = indexOf.call(this._longMonthsParse, llc);

                return ii !== -1 ? ii : null;

            }

        } else {

            if (format === 'MMM') {

                ii = indexOf.call(this._shortMonthsParse, llc);

                if (ii !== -1) {

                    return ii;

                }

                ii = indexOf.call(this._longMonthsParse, llc);

                return ii !== -1 ? ii : null;

            } else {

                ii = indexOf.call(this._longMonthsParse, llc);

                if (ii !== -1) {

                    return ii;

                }

                ii = indexOf.call(this._shortMonthsParse, llc);

                return ii !== -1 ? ii : null;

            }

        }

    }



    function localeMonthsParse(monthName, format, strict) {

        var i, mom, regex;



        if (this._monthsParseExact) {

            return units_month__handleStrictParse.call(this, monthName, format, strict);

        }



        if (!this._monthsParse) {

            this._monthsParse = [];

            this._longMonthsParse = [];

            this._shortMonthsParse = [];

        }



        // TODO: add sorting

        // Sorting makes sure if one month (or abbr) is a prefix of another

        // see sorting in computeMonthsParse

        for (i = 0; i < 12; i++) {

            // make the regex if we don't have it already

            mom = create_utc__createUTC([2000, i]);

            if (strict && !this._longMonthsParse[i]) {

                this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');

                this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');

            }

            if (!strict && !this._monthsParse[i]) {

                regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');

                this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');

            }

            // test the regex

            if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {

                return i;

            } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {

                return i;

            } else if (!strict && this._monthsParse[i].test(monthName)) {

                return i;

            }

        }

    }



    // MOMENTS



    function setMonth(mom, value) {

        var dayOfMonth;



        if (!mom.isValid()) {

            // No op

            return mom;

        }



        if (typeof value === 'string') {

            if (/^\d+$/.test(value)) {

                value = toInt(value);

            } else {

                value = mom.localeData().monthsParse(value);

                // TODO: Another silent failure?

                if (typeof value !== 'number') {

                    return mom;

                }

            }

        }



        dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));

        mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);

        return mom;

    }



    function getSetMonth(value) {

        if (value != null) {

            setMonth(this, value);

            utils_hooks__hooks.updateOffset(this, true);

            return this;

        } else {

            return get_set__get(this, 'Month');

        }

    }



    function getDaysInMonth() {

        return daysInMonth(this.year(), this.month());

    }



    var defaultMonthsShortRegex = matchWord;

    function monthsShortRegex(isStrict) {

        if (this._monthsParseExact) {

            if (!hasOwnProp(this, '_monthsRegex')) {

                computeMonthsParse.call(this);

            }

            if (isStrict) {

                return this._monthsShortStrictRegex;

            } else {

                return this._monthsShortRegex;

            }

        } else {

            if (!hasOwnProp(this, '_monthsShortRegex')) {

                this._monthsShortRegex = defaultMonthsShortRegex;

            }

            return this._monthsShortStrictRegex && isStrict ?
                    this._monthsShortStrictRegex : this._monthsShortRegex;

        }

    }



    var defaultMonthsRegex = matchWord;

    function monthsRegex(isStrict) {

        if (this._monthsParseExact) {

            if (!hasOwnProp(this, '_monthsRegex')) {

                computeMonthsParse.call(this);

            }

            if (isStrict) {

                return this._monthsStrictRegex;

            } else {

                return this._monthsRegex;

            }

        } else {

            if (!hasOwnProp(this, '_monthsRegex')) {

                this._monthsRegex = defaultMonthsRegex;

            }

            return this._monthsStrictRegex && isStrict ?
                    this._monthsStrictRegex : this._monthsRegex;

        }

    }



    function computeMonthsParse() {

        function cmpLenRev(a, b) {

            return b.length - a.length;

        }



        var shortPieces = [], longPieces = [], mixedPieces = [],
                i, mom;

        for (i = 0; i < 12; i++) {

            // make the regex if we don't have it already

            mom = create_utc__createUTC([2000, i]);

            shortPieces.push(this.monthsShort(mom, ''));

            longPieces.push(this.months(mom, ''));

            mixedPieces.push(this.months(mom, ''));

            mixedPieces.push(this.monthsShort(mom, ''));

        }

        // Sorting makes sure if one month (or abbr) is a prefix of another it

        // will match the longer piece.

        shortPieces.sort(cmpLenRev);

        longPieces.sort(cmpLenRev);

        mixedPieces.sort(cmpLenRev);

        for (i = 0; i < 12; i++) {

            shortPieces[i] = regexEscape(shortPieces[i]);

            longPieces[i] = regexEscape(longPieces[i]);

        }

        for (i = 0; i < 24; i++) {

            mixedPieces[i] = regexEscape(mixedPieces[i]);

        }



        this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');

        this._monthsShortRegex = this._monthsRegex;

        this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');

        this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');

    }



    // FORMATTING



    addFormatToken('Y', 0, 0, function () {

        var y = this.year();

        return y <= 9999 ? '' + y : '+' + y;

    });



    addFormatToken(0, ['YY', 2], 0, function () {

        return this.year() % 100;

    });



    addFormatToken(0, ['YYYY', 4], 0, 'year');

    addFormatToken(0, ['YYYYY', 5], 0, 'year');

    addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');



    // ALIASES



    addUnitAlias('year', 'y');



    // PRIORITIES



    addUnitPriority('year', 1);



    // PARSING



    addRegexToken('Y', matchSigned);

    addRegexToken('YY', match1to2, match2);

    addRegexToken('YYYY', match1to4, match4);

    addRegexToken('YYYYY', match1to6, match6);

    addRegexToken('YYYYYY', match1to6, match6);



    addParseToken(['YYYYY', 'YYYYYY'], YEAR);

    addParseToken('YYYY', function (input, array) {

        array[YEAR] = input.length === 2 ? utils_hooks__hooks.parseTwoDigitYear(input) : toInt(input);

    });

    addParseToken('YY', function (input, array) {

        array[YEAR] = utils_hooks__hooks.parseTwoDigitYear(input);

    });

    addParseToken('Y', function (input, array) {

        array[YEAR] = parseInt(input, 10);

    });



    // HELPERS



    function daysInYear(year) {

        return isLeapYear(year) ? 366 : 365;

    }



    function isLeapYear(year) {

        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;

    }



    // HOOKS



    utils_hooks__hooks.parseTwoDigitYear = function (input) {

        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);

    };



    // MOMENTS



    var getSetYear = makeGetSet('FullYear', true);



    function getIsLeapYear() {

        return isLeapYear(this.year());

    }



    function createDate(y, m, d, h, M, s, ms) {

        //can't just apply() to create a date:

        //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply

        var date = new Date(y, m, d, h, M, s, ms);



        //the date constructor remaps years 0-99 to 1900-1999

        if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {

            date.setFullYear(y);

        }

        return date;

    }



    function createUTCDate(y) {

        var date = new Date(Date.UTC.apply(null, arguments));



        //the Date.UTC function remaps years 0-99 to 1900-1999

        if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {

            date.setUTCFullYear(y);

        }

        return date;

    }



    // start-of-first-week - start-of-year

    function firstWeekOffset(year, dow, doy) {

        var // first-week day -- which january is always in the first week (4 for iso, 1 for other)

                fwd = 7 + dow - doy,
                // first-week day local weekday -- which local weekday is fwd

                fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;



        return -fwdlw + fwd - 1;

    }



    //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday

    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {

        var localWeekday = (7 + weekday - dow) % 7,
                weekOffset = firstWeekOffset(year, dow, doy),
                dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
                resYear, resDayOfYear;



        if (dayOfYear <= 0) {

            resYear = year - 1;

            resDayOfYear = daysInYear(resYear) + dayOfYear;

        } else if (dayOfYear > daysInYear(year)) {

            resYear = year + 1;

            resDayOfYear = dayOfYear - daysInYear(year);

        } else {

            resYear = year;

            resDayOfYear = dayOfYear;

        }



        return {

            year: resYear,

            dayOfYear: resDayOfYear

        };

    }



    function weekOfYear(mom, dow, doy) {

        var weekOffset = firstWeekOffset(mom.year(), dow, doy),
                week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
                resWeek, resYear;



        if (week < 1) {

            resYear = mom.year() - 1;

            resWeek = week + weeksInYear(resYear, dow, doy);

        } else if (week > weeksInYear(mom.year(), dow, doy)) {

            resWeek = week - weeksInYear(mom.year(), dow, doy);

            resYear = mom.year() + 1;

        } else {

            resYear = mom.year();

            resWeek = week;

        }



        return {

            week: resWeek,

            year: resYear

        };

    }



    function weeksInYear(year, dow, doy) {

        var weekOffset = firstWeekOffset(year, dow, doy),
                weekOffsetNext = firstWeekOffset(year + 1, dow, doy);

        return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;

    }



    // FORMATTING



    addFormatToken('w', ['ww', 2], 'wo', 'week');

    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');



    // ALIASES



    addUnitAlias('week', 'w');

    addUnitAlias('isoWeek', 'W');



    // PRIORITIES



    addUnitPriority('week', 5);

    addUnitPriority('isoWeek', 5);



    // PARSING



    addRegexToken('w', match1to2);

    addRegexToken('ww', match1to2, match2);

    addRegexToken('W', match1to2);

    addRegexToken('WW', match1to2, match2);



    addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {

        week[token.substr(0, 1)] = toInt(input);

    });



    // HELPERS



    // LOCALES



    function localeWeek(mom) {

        return weekOfYear(mom, this._week.dow, this._week.doy).week;

    }



    var defaultLocaleWeek = {

        dow: 0, // Sunday is the first day of the week.

        doy: 6  // The week that contains Jan 1st is the first week of the year.

    };



    function localeFirstDayOfWeek() {

        return this._week.dow;

    }



    function localeFirstDayOfYear() {

        return this._week.doy;

    }



    // MOMENTS



    function getSetWeek(input) {

        var week = this.localeData().week(this);

        return input == null ? week : this.add((input - week) * 7, 'd');

    }



    function getSetISOWeek(input) {

        var week = weekOfYear(this, 1, 4).week;

        return input == null ? week : this.add((input - week) * 7, 'd');

    }



    // FORMATTING



    addFormatToken('d', 0, 'do', 'day');



    addFormatToken('dd', 0, 0, function (format) {

        return this.localeData().weekdaysMin(this, format);

    });



    addFormatToken('ddd', 0, 0, function (format) {

        return this.localeData().weekdaysShort(this, format);

    });



    addFormatToken('dddd', 0, 0, function (format) {

        return this.localeData().weekdays(this, format);

    });



    addFormatToken('e', 0, 0, 'weekday');

    addFormatToken('E', 0, 0, 'isoWeekday');



    // ALIASES



    addUnitAlias('day', 'd');

    addUnitAlias('weekday', 'e');

    addUnitAlias('isoWeekday', 'E');



    // PRIORITY

    addUnitPriority('day', 11);

    addUnitPriority('weekday', 11);

    addUnitPriority('isoWeekday', 11);



    // PARSING



    addRegexToken('d', match1to2);

    addRegexToken('e', match1to2);

    addRegexToken('E', match1to2);

    addRegexToken('dd', function (isStrict, locale) {

        return locale.weekdaysMinRegex(isStrict);

    });

    addRegexToken('ddd', function (isStrict, locale) {

        return locale.weekdaysShortRegex(isStrict);

    });

    addRegexToken('dddd', function (isStrict, locale) {

        return locale.weekdaysRegex(isStrict);

    });



    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {

        var weekday = config._locale.weekdaysParse(input, token, config._strict);

        // if we didn't get a weekday name, mark the date as invalid

        if (weekday != null) {

            week.d = weekday;

        } else {

            getParsingFlags(config).invalidWeekday = input;

        }

    });



    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {

        week[token] = toInt(input);

    });



    // HELPERS



    function parseWeekday(input, locale) {

        if (typeof input !== 'string') {

            return input;

        }



        if (!isNaN(input)) {

            return parseInt(input, 10);

        }



        input = locale.weekdaysParse(input);

        if (typeof input === 'number') {

            return input;

        }



        return null;

    }



    function parseIsoWeekday(input, locale) {

        if (typeof input === 'string') {

            return locale.weekdaysParse(input) % 7 || 7;

        }

        return isNaN(input) ? null : input;

    }



    // LOCALES



    var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');

    function localeWeekdays(m, format) {

        return isArray(this._weekdays) ? this._weekdays[m.day()] :
                this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];

    }



    var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');

    function localeWeekdaysShort(m) {

        return this._weekdaysShort[m.day()];

    }



    var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');

    function localeWeekdaysMin(m) {

        return this._weekdaysMin[m.day()];

    }



    function day_of_week__handleStrictParse(weekdayName, format, strict) {

        var i, ii, mom, llc = weekdayName.toLocaleLowerCase();

        if (!this._weekdaysParse) {

            this._weekdaysParse = [];

            this._shortWeekdaysParse = [];

            this._minWeekdaysParse = [];



            for (i = 0; i < 7; ++i) {

                mom = create_utc__createUTC([2000, 1]).day(i);

                this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();

                this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();

                this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();

            }

        }



        if (strict) {

            if (format === 'dddd') {

                ii = indexOf.call(this._weekdaysParse, llc);

                return ii !== -1 ? ii : null;

            } else if (format === 'ddd') {

                ii = indexOf.call(this._shortWeekdaysParse, llc);

                return ii !== -1 ? ii : null;

            } else {

                ii = indexOf.call(this._minWeekdaysParse, llc);

                return ii !== -1 ? ii : null;

            }

        } else {

            if (format === 'dddd') {

                ii = indexOf.call(this._weekdaysParse, llc);

                if (ii !== -1) {

                    return ii;

                }

                ii = indexOf.call(this._shortWeekdaysParse, llc);

                if (ii !== -1) {

                    return ii;

                }

                ii = indexOf.call(this._minWeekdaysParse, llc);

                return ii !== -1 ? ii : null;

            } else if (format === 'ddd') {

                ii = indexOf.call(this._shortWeekdaysParse, llc);

                if (ii !== -1) {

                    return ii;

                }

                ii = indexOf.call(this._weekdaysParse, llc);

                if (ii !== -1) {

                    return ii;

                }

                ii = indexOf.call(this._minWeekdaysParse, llc);

                return ii !== -1 ? ii : null;

            } else {

                ii = indexOf.call(this._minWeekdaysParse, llc);

                if (ii !== -1) {

                    return ii;

                }

                ii = indexOf.call(this._weekdaysParse, llc);

                if (ii !== -1) {

                    return ii;

                }

                ii = indexOf.call(this._shortWeekdaysParse, llc);

                return ii !== -1 ? ii : null;

            }

        }

    }



    function localeWeekdaysParse(weekdayName, format, strict) {

        var i, mom, regex;



        if (this._weekdaysParseExact) {

            return day_of_week__handleStrictParse.call(this, weekdayName, format, strict);

        }



        if (!this._weekdaysParse) {

            this._weekdaysParse = [];

            this._minWeekdaysParse = [];

            this._shortWeekdaysParse = [];

            this._fullWeekdaysParse = [];

        }



        for (i = 0; i < 7; i++) {

            // make the regex if we don't have it already



            mom = create_utc__createUTC([2000, 1]).day(i);

            if (strict && !this._fullWeekdaysParse[i]) {

                this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i');

                this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i');

                this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i');

            }

            if (!this._weekdaysParse[i]) {

                regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');

                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');

            }

            // test the regex

            if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {

                return i;

            } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {

                return i;

            } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {

                return i;

            } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {

                return i;

            }

        }

    }



    // MOMENTS



    function getSetDayOfWeek(input) {

        if (!this.isValid()) {

            return input != null ? this : NaN;

        }

        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();

        if (input != null) {

            input = parseWeekday(input, this.localeData());

            return this.add(input - day, 'd');

        } else {

            return day;

        }

    }



    function getSetLocaleDayOfWeek(input) {

        if (!this.isValid()) {

            return input != null ? this : NaN;

        }

        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;

        return input == null ? weekday : this.add(input - weekday, 'd');

    }



    function getSetISODayOfWeek(input) {

        if (!this.isValid()) {

            return input != null ? this : NaN;

        }



        // behaves the same as moment#day except

        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)

        // as a setter, sunday should belong to the previous week.



        if (input != null) {

            var weekday = parseIsoWeekday(input, this.localeData());

            return this.day(this.day() % 7 ? weekday : weekday - 7);

        } else {

            return this.day() || 7;

        }

    }



    var defaultWeekdaysRegex = matchWord;

    function weekdaysRegex(isStrict) {

        if (this._weekdaysParseExact) {

            if (!hasOwnProp(this, '_weekdaysRegex')) {

                computeWeekdaysParse.call(this);

            }

            if (isStrict) {

                return this._weekdaysStrictRegex;

            } else {

                return this._weekdaysRegex;

            }

        } else {

            if (!hasOwnProp(this, '_weekdaysRegex')) {

                this._weekdaysRegex = defaultWeekdaysRegex;

            }

            return this._weekdaysStrictRegex && isStrict ?
                    this._weekdaysStrictRegex : this._weekdaysRegex;

        }

    }



    var defaultWeekdaysShortRegex = matchWord;

    function weekdaysShortRegex(isStrict) {

        if (this._weekdaysParseExact) {

            if (!hasOwnProp(this, '_weekdaysRegex')) {

                computeWeekdaysParse.call(this);

            }

            if (isStrict) {

                return this._weekdaysShortStrictRegex;

            } else {

                return this._weekdaysShortRegex;

            }

        } else {

            if (!hasOwnProp(this, '_weekdaysShortRegex')) {

                this._weekdaysShortRegex = defaultWeekdaysShortRegex;

            }

            return this._weekdaysShortStrictRegex && isStrict ?
                    this._weekdaysShortStrictRegex : this._weekdaysShortRegex;

        }

    }



    var defaultWeekdaysMinRegex = matchWord;

    function weekdaysMinRegex(isStrict) {

        if (this._weekdaysParseExact) {

            if (!hasOwnProp(this, '_weekdaysRegex')) {

                computeWeekdaysParse.call(this);

            }

            if (isStrict) {

                return this._weekdaysMinStrictRegex;

            } else {

                return this._weekdaysMinRegex;

            }

        } else {

            if (!hasOwnProp(this, '_weekdaysMinRegex')) {

                this._weekdaysMinRegex = defaultWeekdaysMinRegex;

            }

            return this._weekdaysMinStrictRegex && isStrict ?
                    this._weekdaysMinStrictRegex : this._weekdaysMinRegex;

        }

    }





    function computeWeekdaysParse() {

        function cmpLenRev(a, b) {

            return b.length - a.length;

        }



        var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],
                i, mom, minp, shortp, longp;

        for (i = 0; i < 7; i++) {

            // make the regex if we don't have it already

            mom = create_utc__createUTC([2000, 1]).day(i);

            minp = this.weekdaysMin(mom, '');

            shortp = this.weekdaysShort(mom, '');

            longp = this.weekdays(mom, '');

            minPieces.push(minp);

            shortPieces.push(shortp);

            longPieces.push(longp);

            mixedPieces.push(minp);

            mixedPieces.push(shortp);

            mixedPieces.push(longp);

        }

        // Sorting makes sure if one weekday (or abbr) is a prefix of another it

        // will match the longer piece.

        minPieces.sort(cmpLenRev);

        shortPieces.sort(cmpLenRev);

        longPieces.sort(cmpLenRev);

        mixedPieces.sort(cmpLenRev);

        for (i = 0; i < 7; i++) {

            shortPieces[i] = regexEscape(shortPieces[i]);

            longPieces[i] = regexEscape(longPieces[i]);

            mixedPieces[i] = regexEscape(mixedPieces[i]);

        }



        this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');

        this._weekdaysShortRegex = this._weekdaysRegex;

        this._weekdaysMinRegex = this._weekdaysRegex;



        this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');

        this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');

        this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');

    }



    // FORMATTING



    function hFormat() {

        return this.hours() % 12 || 12;

    }



    function kFormat() {

        return this.hours() || 24;

    }



    addFormatToken('H', ['HH', 2], 0, 'hour');

    addFormatToken('h', ['hh', 2], 0, hFormat);

    addFormatToken('k', ['kk', 2], 0, kFormat);



    addFormatToken('hmm', 0, 0, function () {

        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);

    });



    addFormatToken('hmmss', 0, 0, function () {

        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
                zeroFill(this.seconds(), 2);

    });



    addFormatToken('Hmm', 0, 0, function () {

        return '' + this.hours() + zeroFill(this.minutes(), 2);

    });



    addFormatToken('Hmmss', 0, 0, function () {

        return '' + this.hours() + zeroFill(this.minutes(), 2) +
                zeroFill(this.seconds(), 2);

    });



    function meridiem(token, lowercase) {

        addFormatToken(token, 0, 0, function () {

            return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);

        });

    }



    meridiem('a', true);

    meridiem('A', false);



    // ALIASES



    addUnitAlias('hour', 'h');



    // PRIORITY

    addUnitPriority('hour', 13);



    // PARSING



    function matchMeridiem(isStrict, locale) {

        return locale._meridiemParse;

    }



    addRegexToken('a', matchMeridiem);

    addRegexToken('A', matchMeridiem);

    addRegexToken('H', match1to2);

    addRegexToken('h', match1to2);

    addRegexToken('HH', match1to2, match2);

    addRegexToken('hh', match1to2, match2);



    addRegexToken('hmm', match3to4);

    addRegexToken('hmmss', match5to6);

    addRegexToken('Hmm', match3to4);

    addRegexToken('Hmmss', match5to6);



    addParseToken(['H', 'HH'], HOUR);

    addParseToken(['a', 'A'], function (input, array, config) {

        config._isPm = config._locale.isPM(input);

        config._meridiem = input;

    });

    addParseToken(['h', 'hh'], function (input, array, config) {

        array[HOUR] = toInt(input);

        getParsingFlags(config).bigHour = true;

    });

    addParseToken('hmm', function (input, array, config) {

        var pos = input.length - 2;

        array[HOUR] = toInt(input.substr(0, pos));

        array[MINUTE] = toInt(input.substr(pos));

        getParsingFlags(config).bigHour = true;

    });

    addParseToken('hmmss', function (input, array, config) {

        var pos1 = input.length - 4;

        var pos2 = input.length - 2;

        array[HOUR] = toInt(input.substr(0, pos1));

        array[MINUTE] = toInt(input.substr(pos1, 2));

        array[SECOND] = toInt(input.substr(pos2));

        getParsingFlags(config).bigHour = true;

    });

    addParseToken('Hmm', function (input, array, config) {

        var pos = input.length - 2;

        array[HOUR] = toInt(input.substr(0, pos));

        array[MINUTE] = toInt(input.substr(pos));

    });

    addParseToken('Hmmss', function (input, array, config) {

        var pos1 = input.length - 4;

        var pos2 = input.length - 2;

        array[HOUR] = toInt(input.substr(0, pos1));

        array[MINUTE] = toInt(input.substr(pos1, 2));

        array[SECOND] = toInt(input.substr(pos2));

    });



    // LOCALES



    function localeIsPM(input) {

        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays

        // Using charAt should be more compatible.

        return ((input + '').toLowerCase().charAt(0) === 'p');

    }



    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;

    function localeMeridiem(hours, minutes, isLower) {

        if (hours > 11) {

            return isLower ? 'pm' : 'PM';

        } else {

            return isLower ? 'am' : 'AM';

        }

    }





    // MOMENTS



    // Setting the hour should keep the time, because the user explicitly

    // specified which hour he wants. So trying to maintain the same hour (in

    // a new timezone) makes sense. Adding/subtracting hours does not follow

    // this rule.

    var getSetHour = makeGetSet('Hours', true);



    var baseConfig = {

        calendar: defaultCalendar,

        longDateFormat: defaultLongDateFormat,

        invalidDate: defaultInvalidDate,

        ordinal: defaultOrdinal,

        ordinalParse: defaultOrdinalParse,

        relativeTime: defaultRelativeTime,

        months: defaultLocaleMonths,

        monthsShort: defaultLocaleMonthsShort,

        week: defaultLocaleWeek,

        weekdays: defaultLocaleWeekdays,

        weekdaysMin: defaultLocaleWeekdaysMin,

        weekdaysShort: defaultLocaleWeekdaysShort,

        meridiemParse: defaultLocaleMeridiemParse

    };



    // internal storage for locale config files

    var locales = {};

    var globalLocale;



    function normalizeLocale(key) {

        return key ? key.toLowerCase().replace('_', '-') : key;

    }



    // pick the locale from the array

    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each

    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root

    function chooseLocale(names) {

        var i = 0, j, next, locale, split;



        while (i < names.length) {

            split = normalizeLocale(names[i]).split('-');

            j = split.length;

            next = normalizeLocale(names[i + 1]);

            next = next ? next.split('-') : null;

            while (j > 0) {

                locale = loadLocale(split.slice(0, j).join('-'));

                if (locale) {

                    return locale;

                }

                if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {

                    //the next array item is better than a shallower substring of this one

                    break;

                }

                j--;

            }

            i++;

        }

        return null;

    }



    function loadLocale(name) {

        var oldLocale = null;

        // TODO: Find a better way to register and load all the locales in Node

        if (!locales[name] && (typeof module !== 'undefined') &&
                module && module.exports) {

            try {

                oldLocale = globalLocale._abbr;

                require('./locale/' + name);

                // because defineLocale currently also sets the global locale, we

                // want to undo that for lazy loaded locales

                locale_locales__getSetGlobalLocale(oldLocale);

            } catch (e) {
            }

        }

        return locales[name];

    }



    // This function will load locale and then set the global locale.  If

    // no arguments are passed in, it will simply return the current global

    // locale key.

    function locale_locales__getSetGlobalLocale(key, values) {

        var data;

        if (key) {

            if (isUndefined(values)) {

                data = locale_locales__getLocale(key);

            } else {

                data = defineLocale(key, values);

            }



            if (data) {

                // moment.duration._locale = moment._locale = data;

                globalLocale = data;

            }

        }



        return globalLocale._abbr;

    }



    function defineLocale(name, config) {

        if (config !== null) {

            var parentConfig = baseConfig;

            config.abbr = name;

            if (locales[name] != null) {

                deprecateSimple('defineLocaleOverride',
                        'use moment.updateLocale(localeName, config) to change ' +
                        'an existing locale. moment.defineLocale(localeName, ' +
                        'config) should only be used for creating a new locale ' +
                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');

                parentConfig = locales[name]._config;

            } else if (config.parentLocale != null) {

                if (locales[config.parentLocale] != null) {

                    parentConfig = locales[config.parentLocale]._config;

                } else {

                    // treat as if there is no base config

                    deprecateSimple('parentLocaleUndefined',
                            'specified parentLocale is not defined yet. See http://momentjs.com/guides/#/warnings/parent-locale/');

                }

            }

            locales[name] = new Locale(mergeConfigs(parentConfig, config));



            // backwards compat for now: also set the locale

            locale_locales__getSetGlobalLocale(name);



            return locales[name];

        } else {

            // useful for testing

            delete locales[name];

            return null;

        }

    }



    function updateLocale(name, config) {

        if (config != null) {

            var locale, parentConfig = baseConfig;

            // MERGE

            if (locales[name] != null) {

                parentConfig = locales[name]._config;

            }

            config = mergeConfigs(parentConfig, config);

            locale = new Locale(config);

            locale.parentLocale = locales[name];

            locales[name] = locale;



            // backwards compat for now: also set the locale

            locale_locales__getSetGlobalLocale(name);

        } else {

            // pass null for config to unupdate, useful for tests

            if (locales[name] != null) {

                if (locales[name].parentLocale != null) {

                    locales[name] = locales[name].parentLocale;

                } else if (locales[name] != null) {

                    delete locales[name];

                }

            }

        }

        return locales[name];

    }



    // returns locale data

    function locale_locales__getLocale(key) {

        var locale;



        if (key && key._locale && key._locale._abbr) {

            key = key._locale._abbr;

        }



        if (!key) {

            return globalLocale;

        }



        if (!isArray(key)) {

            //short-circuit everything else

            locale = loadLocale(key);

            if (locale) {

                return locale;

            }

            key = [key];

        }



        return chooseLocale(key);

    }



    function locale_locales__listLocales() {

        return keys(locales);

    }



    function checkOverflow(m) {

        var overflow;

        var a = m._a;



        if (a && getParsingFlags(m).overflow === -2) {

            overflow =
                    a[MONTH] < 0 || a[MONTH] > 11 ? MONTH :
                    a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
                    a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
                    a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE :
                    a[SECOND] < 0 || a[SECOND] > 59 ? SECOND :
                    a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
                    -1;



            if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {

                overflow = DATE;

            }

            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {

                overflow = WEEK;

            }

            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {

                overflow = WEEKDAY;

            }



            getParsingFlags(m).overflow = overflow;

        }



        return m;

    }



    // iso 8601 regex

    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)

    var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;

    var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;



    var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;



    var isoDates = [

        ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],

        ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],

        ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],

        ['GGGG-[W]WW', /\d{4}-W\d\d/, false],

        ['YYYY-DDD', /\d{4}-\d{3}/],

        ['YYYY-MM', /\d{4}-\d\d/, false],

        ['YYYYYYMMDD', /[+-]\d{10}/],

        ['YYYYMMDD', /\d{8}/],

        // YYYYMM is NOT allowed by the standard

        ['GGGG[W]WWE', /\d{4}W\d{3}/],

        ['GGGG[W]WW', /\d{4}W\d{2}/, false],

        ['YYYYDDD', /\d{7}/]

    ];



    // iso time formats and regexes

    var isoTimes = [

        ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],

        ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],

        ['HH:mm:ss', /\d\d:\d\d:\d\d/],

        ['HH:mm', /\d\d:\d\d/],

        ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],

        ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],

        ['HHmmss', /\d\d\d\d\d\d/],

        ['HHmm', /\d\d\d\d/],

        ['HH', /\d\d/]

    ];



    var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;



    // date from iso format

    function configFromISO(config) {

        var i, l,
                string = config._i,
                match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
                allowTime, dateFormat, timeFormat, tzFormat;



        if (match) {

            getParsingFlags(config).iso = true;



            for (i = 0, l = isoDates.length; i < l; i++) {

                if (isoDates[i][1].exec(match[1])) {

                    dateFormat = isoDates[i][0];

                    allowTime = isoDates[i][2] !== false;

                    break;

                }

            }

            if (dateFormat == null) {

                config._isValid = false;

                return;

            }

            if (match[3]) {

                for (i = 0, l = isoTimes.length; i < l; i++) {

                    if (isoTimes[i][1].exec(match[3])) {

                        // match[2] should be 'T' or space

                        timeFormat = (match[2] || ' ') + isoTimes[i][0];

                        break;

                    }

                }

                if (timeFormat == null) {

                    config._isValid = false;

                    return;

                }

            }

            if (!allowTime && timeFormat != null) {

                config._isValid = false;

                return;

            }

            if (match[4]) {

                if (tzRegex.exec(match[4])) {

                    tzFormat = 'Z';

                } else {

                    config._isValid = false;

                    return;

                }

            }

            config._f = dateFormat + (timeFormat || '') + (tzFormat || '');

            configFromStringAndFormat(config);

        } else {

            config._isValid = false;

        }

    }



    // date from iso format or fallback

    function configFromString(config) {

        var matched = aspNetJsonRegex.exec(config._i);



        if (matched !== null) {

            config._d = new Date(+matched[1]);

            return;

        }



        configFromISO(config);

        if (config._isValid === false) {

            delete config._isValid;

            utils_hooks__hooks.createFromInputFallback(config);

        }

    }



    utils_hooks__hooks.createFromInputFallback = deprecate(
            'moment construction falls back to js Date. This is ' +
            'discouraged and will be removed in upcoming major ' +
            'release. Please refer to ' +
            'http://momentjs.com/guides/#/warnings/js-date/ for more info.',
            function (config) {

                config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));

            }

    );



    // Pick the first defined of two or three arguments.

    function defaults(a, b, c) {

        if (a != null) {

            return a;

        }

        if (b != null) {

            return b;

        }

        return c;

    }



    function currentDateArray(config) {

        // hooks is actually the exported moment object

        var nowValue = new Date(utils_hooks__hooks.now());

        if (config._useUTC) {

            return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];

        }

        return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];

    }



    // convert an array to a date.

    // the array should mirror the parameters below

    // note: all values past the year are optional and will default to the lowest possible value.

    // [year, month, day , hour, minute, second, millisecond]

    function configFromArray(config) {

        var i, date, input = [], currentDate, yearToUse;



        if (config._d) {

            return;

        }



        currentDate = currentDateArray(config);



        //compute day of the year from weeks and weekdays

        if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {

            dayOfYearFromWeekInfo(config);

        }



        //if the day of the year is set, figure out what it is

        if (config._dayOfYear) {

            yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);



            if (config._dayOfYear > daysInYear(yearToUse)) {

                getParsingFlags(config)._overflowDayOfYear = true;

            }



            date = createUTCDate(yearToUse, 0, config._dayOfYear);

            config._a[MONTH] = date.getUTCMonth();

            config._a[DATE] = date.getUTCDate();

        }



        // Default to current date.

        // * if no year, month, day of month are given, default to today

        // * if day of month is given, default month and year

        // * if month is given, default only year

        // * if year is given, don't default anything

        for (i = 0; i < 3 && config._a[i] == null; ++i) {

            config._a[i] = input[i] = currentDate[i];

        }



        // Zero out whatever was not defaulted, including time

        for (; i < 7; i++) {

            config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];

        }



        // Check for 24:00:00.000

        if (config._a[HOUR] === 24 &&
                config._a[MINUTE] === 0 &&
                config._a[SECOND] === 0 &&
                config._a[MILLISECOND] === 0) {

            config._nextDay = true;

            config._a[HOUR] = 0;

        }



        config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);

        // Apply timezone offset from input. The actual utcOffset can be changed

        // with parseZone.

        if (config._tzm != null) {

            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);

        }



        if (config._nextDay) {

            config._a[HOUR] = 24;

        }

    }



    function dayOfYearFromWeekInfo(config) {

        var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;



        w = config._w;

        if (w.GG != null || w.W != null || w.E != null) {

            dow = 1;

            doy = 4;



            // TODO: We need to take the current isoWeekYear, but that depends on

            // how we interpret now (local, utc, fixed offset). So create

            // a now version of current config (take local/utc/offset flags, and

            // create now).

            weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(local__createLocal(), 1, 4).year);

            week = defaults(w.W, 1);

            weekday = defaults(w.E, 1);

            if (weekday < 1 || weekday > 7) {

                weekdayOverflow = true;

            }

        } else {

            dow = config._locale._week.dow;

            doy = config._locale._week.doy;



            weekYear = defaults(w.gg, config._a[YEAR], weekOfYear(local__createLocal(), dow, doy).year);

            week = defaults(w.w, 1);



            if (w.d != null) {

                // weekday -- low day numbers are considered next week

                weekday = w.d;

                if (weekday < 0 || weekday > 6) {

                    weekdayOverflow = true;

                }

            } else if (w.e != null) {

                // local weekday -- counting starts from begining of week

                weekday = w.e + dow;

                if (w.e < 0 || w.e > 6) {

                    weekdayOverflow = true;

                }

            } else {

                // default to begining of week

                weekday = dow;

            }

        }

        if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {

            getParsingFlags(config)._overflowWeeks = true;

        } else if (weekdayOverflow != null) {

            getParsingFlags(config)._overflowWeekday = true;

        } else {

            temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);

            config._a[YEAR] = temp.year;

            config._dayOfYear = temp.dayOfYear;

        }

    }



    // constant that refers to the ISO standard

    utils_hooks__hooks.ISO_8601 = function () {};



    // date from string and format string

    function configFromStringAndFormat(config) {

        // TODO: Move this to another part of the creation flow to prevent circular deps

        if (config._f === utils_hooks__hooks.ISO_8601) {

            configFromISO(config);

            return;

        }



        config._a = [];

        getParsingFlags(config).empty = true;



        // This array is used to make a Date, either with `new Date` or `Date.UTC`

        var string = '' + config._i,
                i, parsedInput, tokens, token, skipped,
                stringLength = string.length,
                totalParsedInputLength = 0;



        tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];



        for (i = 0; i < tokens.length; i++) {

            token = tokens[i];

            parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];

            // console.log('token', token, 'parsedInput', parsedInput,

            //         'regex', getParseRegexForToken(token, config));

            if (parsedInput) {

                skipped = string.substr(0, string.indexOf(parsedInput));

                if (skipped.length > 0) {

                    getParsingFlags(config).unusedInput.push(skipped);

                }

                string = string.slice(string.indexOf(parsedInput) + parsedInput.length);

                totalParsedInputLength += parsedInput.length;

            }

            // don't parse if it's not a known token

            if (formatTokenFunctions[token]) {

                if (parsedInput) {

                    getParsingFlags(config).empty = false;

                } else {

                    getParsingFlags(config).unusedTokens.push(token);

                }

                addTimeToArrayFromToken(token, parsedInput, config);

            } else if (config._strict && !parsedInput) {

                getParsingFlags(config).unusedTokens.push(token);

            }

        }



        // add remaining unparsed input length to the string

        getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;

        if (string.length > 0) {

            getParsingFlags(config).unusedInput.push(string);

        }



        // clear _12h flag if hour is <= 12

        if (config._a[HOUR] <= 12 &&
                getParsingFlags(config).bigHour === true &&
                config._a[HOUR] > 0) {

            getParsingFlags(config).bigHour = undefined;

        }



        getParsingFlags(config).parsedDateParts = config._a.slice(0);

        getParsingFlags(config).meridiem = config._meridiem;

        // handle meridiem

        config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);



        configFromArray(config);

        checkOverflow(config);

    }





    function meridiemFixWrap(locale, hour, meridiem) {

        var isPm;



        if (meridiem == null) {

            // nothing to do

            return hour;

        }

        if (locale.meridiemHour != null) {

            return locale.meridiemHour(hour, meridiem);

        } else if (locale.isPM != null) {

            // Fallback

            isPm = locale.isPM(meridiem);

            if (isPm && hour < 12) {

                hour += 12;

            }

            if (!isPm && hour === 12) {

                hour = 0;

            }

            return hour;

        } else {

            // this is not supposed to happen

            return hour;

        }

    }



    // date from string and array of format strings

    function configFromStringAndArray(config) {

        var tempConfig,
                bestMoment,
                scoreToBeat,
                i,
                currentScore;



        if (config._f.length === 0) {

            getParsingFlags(config).invalidFormat = true;

            config._d = new Date(NaN);

            return;

        }



        for (i = 0; i < config._f.length; i++) {

            currentScore = 0;

            tempConfig = copyConfig({}, config);

            if (config._useUTC != null) {

                tempConfig._useUTC = config._useUTC;

            }

            tempConfig._f = config._f[i];

            configFromStringAndFormat(tempConfig);



            if (!valid__isValid(tempConfig)) {

                continue;

            }



            // if there is any input that was not parsed add a penalty for that format

            currentScore += getParsingFlags(tempConfig).charsLeftOver;



            //or tokens

            currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;



            getParsingFlags(tempConfig).score = currentScore;



            if (scoreToBeat == null || currentScore < scoreToBeat) {

                scoreToBeat = currentScore;

                bestMoment = tempConfig;

            }

        }



        extend(config, bestMoment || tempConfig);

    }



    function configFromObject(config) {

        if (config._d) {

            return;

        }



        var i = normalizeObjectUnits(config._i);

        config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {

            return obj && parseInt(obj, 10);

        });



        configFromArray(config);

    }



    function createFromConfig(config) {

        var res = new Moment(checkOverflow(prepareConfig(config)));

        if (res._nextDay) {

            // Adding is smart enough around DST

            res.add(1, 'd');

            res._nextDay = undefined;

        }



        return res;

    }



    function prepareConfig(config) {

        var input = config._i,
                format = config._f;



        config._locale = config._locale || locale_locales__getLocale(config._l);



        if (input === null || (format === undefined && input === '')) {

            return valid__createInvalid({nullInput: true});

        }



        if (typeof input === 'string') {

            config._i = input = config._locale.preparse(input);

        }



        if (isMoment(input)) {

            return new Moment(checkOverflow(input));

        } else if (isArray(format)) {

            configFromStringAndArray(config);

        } else if (isDate(input)) {

            config._d = input;

        } else if (format) {

            configFromStringAndFormat(config);

        } else {

            configFromInput(config);

        }



        if (!valid__isValid(config)) {

            config._d = null;

        }



        return config;

    }



    function configFromInput(config) {

        var input = config._i;

        if (input === undefined) {

            config._d = new Date(utils_hooks__hooks.now());

        } else if (isDate(input)) {

            config._d = new Date(input.valueOf());

        } else if (typeof input === 'string') {

            configFromString(config);

        } else if (isArray(input)) {

            config._a = map(input.slice(0), function (obj) {

                return parseInt(obj, 10);

            });

            configFromArray(config);

        } else if (typeof (input) === 'object') {

            configFromObject(config);

        } else if (typeof (input) === 'number') {

            // from milliseconds

            config._d = new Date(input);

        } else {

            utils_hooks__hooks.createFromInputFallback(config);

        }

    }



    function createLocalOrUTC(input, format, locale, strict, isUTC) {

        var c = {};



        if (typeof (locale) === 'boolean') {

            strict = locale;

            locale = undefined;

        }



        if ((isObject(input) && isObjectEmpty(input)) ||
                (isArray(input) && input.length === 0)) {

            input = undefined;

        }

        // object construction must be done this way.

        // https://github.com/moment/moment/issues/1423

        c._isAMomentObject = true;

        c._useUTC = c._isUTC = isUTC;

        c._l = locale;

        c._i = input;

        c._f = format;

        c._strict = strict;



        return createFromConfig(c);

    }



    function local__createLocal(input, format, locale, strict) {

        return createLocalOrUTC(input, format, locale, strict, false);

    }



    var prototypeMin = deprecate(
            'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
            function () {

                var other = local__createLocal.apply(null, arguments);

                if (this.isValid() && other.isValid()) {

                    return other < this ? this : other;

                } else {

                    return valid__createInvalid();

                }

            }

    );



    var prototypeMax = deprecate(
            'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
            function () {

                var other = local__createLocal.apply(null, arguments);

                if (this.isValid() && other.isValid()) {

                    return other > this ? this : other;

                } else {

                    return valid__createInvalid();

                }

            }

    );



    // Pick a moment m from moments so that m[fn](other) is true for all

    // other. This relies on the function fn to be transitive.

    //

    // moments should either be an array of moment objects or an array, whose

    // first element is an array of moment objects.

    function pickBy(fn, moments) {

        var res, i;

        if (moments.length === 1 && isArray(moments[0])) {

            moments = moments[0];

        }

        if (!moments.length) {

            return local__createLocal();

        }

        res = moments[0];

        for (i = 1; i < moments.length; ++i) {

            if (!moments[i].isValid() || moments[i][fn](res)) {

                res = moments[i];

            }

        }

        return res;

    }



    // TODO: Use [].sort instead?

    function min() {

        var args = [].slice.call(arguments, 0);



        return pickBy('isBefore', args);

    }



    function max() {

        var args = [].slice.call(arguments, 0);



        return pickBy('isAfter', args);

    }



    var now = function () {

        return Date.now ? Date.now() : +(new Date());

    };



    function Duration(duration) {

        var normalizedInput = normalizeObjectUnits(duration),
                years = normalizedInput.year || 0,
                quarters = normalizedInput.quarter || 0,
                months = normalizedInput.month || 0,
                weeks = normalizedInput.week || 0,
                days = normalizedInput.day || 0,
                hours = normalizedInput.hour || 0,
                minutes = normalizedInput.minute || 0,
                seconds = normalizedInput.second || 0,
                milliseconds = normalizedInput.millisecond || 0;



        // representation for dateAddRemove

        this._milliseconds = +milliseconds +
                seconds * 1e3 + // 1000

                minutes * 6e4 + // 1000 * 60

                hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978

        // Because of dateAddRemove treats 24 hours as different from a

        // day when working around DST, we need to store them separately

        this._days = +days +
                weeks * 7;

        // It is impossible translate months into days without knowing

        // which months you are are talking about, so we have to store

        // it separately.

        this._months = +months +
                quarters * 3 +
                years * 12;



        this._data = {};



        this._locale = locale_locales__getLocale();



        this._bubble();

    }



    function isDuration(obj) {

        return obj instanceof Duration;

    }



    // FORMATTING



    function offset(token, separator) {

        addFormatToken(token, 0, 0, function () {

            var offset = this.utcOffset();

            var sign = '+';

            if (offset < 0) {

                offset = -offset;

                sign = '-';

            }

            return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);

        });

    }



    offset('Z', ':');

    offset('ZZ', '');



    // PARSING



    addRegexToken('Z', matchShortOffset);

    addRegexToken('ZZ', matchShortOffset);

    addParseToken(['Z', 'ZZ'], function (input, array, config) {

        config._useUTC = true;

        config._tzm = offsetFromString(matchShortOffset, input);

    });



    // HELPERS



    // timezone chunker

    // '+10:00' > ['10',  '00']

    // '-1530'  > ['-15', '30']

    var chunkOffset = /([\+\-]|\d\d)/gi;



    function offsetFromString(matcher, string) {

        var matches = ((string || '').match(matcher) || []);

        var chunk = matches[matches.length - 1] || [];

        var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];

        var minutes = +(parts[1] * 60) + toInt(parts[2]);



        return parts[0] === '+' ? minutes : -minutes;

    }



    // Return a moment from input, that is local/utc/zone equivalent to model.

    function cloneWithOffset(input, model) {

        var res, diff;

        if (model._isUTC) {

            res = model.clone();

            diff = (isMoment(input) || isDate(input) ? input.valueOf() : local__createLocal(input).valueOf()) - res.valueOf();

            // Use low-level api, because this fn is low-level api.

            res._d.setTime(res._d.valueOf() + diff);

            utils_hooks__hooks.updateOffset(res, false);

            return res;

        } else {

            return local__createLocal(input).local();

        }

    }



    function getDateOffset(m) {

        // On Firefox.24 Date#getTimezoneOffset returns a floating point.

        // https://github.com/moment/moment/pull/1871

        return -Math.round(m._d.getTimezoneOffset() / 15) * 15;

    }



    // HOOKS



    // This function will be called whenever a moment is mutated.

    // It is intended to keep the offset in sync with the timezone.

    utils_hooks__hooks.updateOffset = function () {};



    // MOMENTS



    // keepLocalTime = true means only change the timezone, without

    // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->

    // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset

    // +0200, so we adjust the time as needed, to be valid.

    //

    // Keeping the time actually adds/subtracts (one hour)

    // from the actual represented time. That is why we call updateOffset

    // a second time. In case it wants us to change the offset again

    // _changeInProgress == true case, then we have to adjust, because

    // there is no such time in the given timezone.

    function getSetOffset(input, keepLocalTime) {

        var offset = this._offset || 0,
                localAdjust;

        if (!this.isValid()) {

            return input != null ? this : NaN;

        }

        if (input != null) {

            if (typeof input === 'string') {

                input = offsetFromString(matchShortOffset, input);

            } else if (Math.abs(input) < 16) {

                input = input * 60;

            }

            if (!this._isUTC && keepLocalTime) {

                localAdjust = getDateOffset(this);

            }

            this._offset = input;

            this._isUTC = true;

            if (localAdjust != null) {

                this.add(localAdjust, 'm');

            }

            if (offset !== input) {

                if (!keepLocalTime || this._changeInProgress) {

                    add_subtract__addSubtract(this, create__createDuration(input - offset, 'm'), 1, false);

                } else if (!this._changeInProgress) {

                    this._changeInProgress = true;

                    utils_hooks__hooks.updateOffset(this, true);

                    this._changeInProgress = null;

                }

            }

            return this;

        } else {

            return this._isUTC ? offset : getDateOffset(this);

        }

    }



    function getSetZone(input, keepLocalTime) {

        if (input != null) {

            if (typeof input !== 'string') {

                input = -input;

            }



            this.utcOffset(input, keepLocalTime);



            return this;

        } else {

            return -this.utcOffset();

        }

    }



    function setOffsetToUTC(keepLocalTime) {

        return this.utcOffset(0, keepLocalTime);

    }



    function setOffsetToLocal(keepLocalTime) {

        if (this._isUTC) {

            this.utcOffset(0, keepLocalTime);

            this._isUTC = false;



            if (keepLocalTime) {

                this.subtract(getDateOffset(this), 'm');

            }

        }

        return this;

    }



    function setOffsetToParsedOffset() {

        if (this._tzm) {

            this.utcOffset(this._tzm);

        } else if (typeof this._i === 'string') {

            this.utcOffset(offsetFromString(matchOffset, this._i));

        }

        return this;

    }



    function hasAlignedHourOffset(input) {

        if (!this.isValid()) {

            return false;

        }

        input = input ? local__createLocal(input).utcOffset() : 0;



        return (this.utcOffset() - input) % 60 === 0;

    }



    function isDaylightSavingTime() {

        return (
                this.utcOffset() > this.clone().month(0).utcOffset() ||
                this.utcOffset() > this.clone().month(5).utcOffset()

                );

    }



    function isDaylightSavingTimeShifted() {

        if (!isUndefined(this._isDSTShifted)) {

            return this._isDSTShifted;

        }



        var c = {};



        copyConfig(c, this);

        c = prepareConfig(c);



        if (c._a) {

            var other = c._isUTC ? create_utc__createUTC(c._a) : local__createLocal(c._a);

            this._isDSTShifted = this.isValid() &&
                    compareArrays(c._a, other.toArray()) > 0;

        } else {

            this._isDSTShifted = false;

        }



        return this._isDSTShifted;

    }



    function isLocal() {

        return this.isValid() ? !this._isUTC : false;

    }



    function isUtcOffset() {

        return this.isValid() ? this._isUTC : false;

    }



    function isUtc() {

        return this.isValid() ? this._isUTC && this._offset === 0 : false;

    }



    // ASP.NET json date format regex

    var aspNetRegex = /^(\-)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?\d*)?$/;



    // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html

    // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere

    // and further modified to allow for strings containing both week and day

    var isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;



    function create__createDuration(input, key) {

        var duration = input,
                // matching against regexp is expensive, do it on demand

                match = null,
                sign,
                ret,
                diffRes;



        if (isDuration(input)) {

            duration = {

                ms: input._milliseconds,

                d: input._days,

                M: input._months

            };

        } else if (typeof input === 'number') {

            duration = {};

            if (key) {

                duration[key] = input;

            } else {

                duration.milliseconds = input;

            }

        } else if (!!(match = aspNetRegex.exec(input))) {

            sign = (match[1] === '-') ? -1 : 1;

            duration = {

                y: 0,

                d: toInt(match[DATE]) * sign,

                h: toInt(match[HOUR]) * sign,

                m: toInt(match[MINUTE]) * sign,

                s: toInt(match[SECOND]) * sign,

                ms: toInt(match[MILLISECOND]) * sign

            };

        } else if (!!(match = isoRegex.exec(input))) {

            sign = (match[1] === '-') ? -1 : 1;

            duration = {

                y: parseIso(match[2], sign),

                M: parseIso(match[3], sign),

                w: parseIso(match[4], sign),

                d: parseIso(match[5], sign),

                h: parseIso(match[6], sign),

                m: parseIso(match[7], sign),

                s: parseIso(match[8], sign)

            };

        } else if (duration == null) {// checks for null or undefined

            duration = {};

        } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {

            diffRes = momentsDifference(local__createLocal(duration.from), local__createLocal(duration.to));



            duration = {};

            duration.ms = diffRes.milliseconds;

            duration.M = diffRes.months;

        }



        ret = new Duration(duration);



        if (isDuration(input) && hasOwnProp(input, '_locale')) {

            ret._locale = input._locale;

        }



        return ret;

    }



    create__createDuration.fn = Duration.prototype;



    function parseIso(inp, sign) {

        // We'd normally use ~~inp for this, but unfortunately it also

        // converts floats to ints.

        // inp may be undefined, so careful calling replace on it.

        var res = inp && parseFloat(inp.replace(',', '.'));

        // apply sign while we're at it

        return (isNaN(res) ? 0 : res) * sign;

    }



    function positiveMomentsDifference(base, other) {

        var res = {milliseconds: 0, months: 0};



        res.months = other.month() - base.month() +
                (other.year() - base.year()) * 12;

        if (base.clone().add(res.months, 'M').isAfter(other)) {

            --res.months;

        }



        res.milliseconds = +other - +(base.clone().add(res.months, 'M'));



        return res;

    }



    function momentsDifference(base, other) {

        var res;

        if (!(base.isValid() && other.isValid())) {

            return {milliseconds: 0, months: 0};

        }



        other = cloneWithOffset(other, base);

        if (base.isBefore(other)) {

            res = positiveMomentsDifference(base, other);

        } else {

            res = positiveMomentsDifference(other, base);

            res.milliseconds = -res.milliseconds;

            res.months = -res.months;

        }



        return res;

    }



    function absRound(number) {

        if (number < 0) {

            return Math.round(-1 * number) * -1;

        } else {

            return Math.round(number);

        }

    }



    // TODO: remove 'name' arg after deprecation is removed

    function createAdder(direction, name) {

        return function (val, period) {

            var dur, tmp;

            //invert the arguments, but complain about it

            if (period !== null && !isNaN(+period)) {

                deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +
                        'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');

                tmp = val;
                val = period;
                period = tmp;

            }



            val = typeof val === 'string' ? +val : val;

            dur = create__createDuration(val, period);

            add_subtract__addSubtract(this, dur, direction);

            return this;

        };

    }



    function add_subtract__addSubtract(mom, duration, isAdding, updateOffset) {

        var milliseconds = duration._milliseconds,
                days = absRound(duration._days),
                months = absRound(duration._months);



        if (!mom.isValid()) {

            // No op

            return;

        }



        updateOffset = updateOffset == null ? true : updateOffset;



        if (milliseconds) {

            mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);

        }

        if (days) {

            get_set__set(mom, 'Date', get_set__get(mom, 'Date') + days * isAdding);

        }

        if (months) {

            setMonth(mom, get_set__get(mom, 'Month') + months * isAdding);

        }

        if (updateOffset) {

            utils_hooks__hooks.updateOffset(mom, days || months);

        }

    }



    var add_subtract__add = createAdder(1, 'add');

    var add_subtract__subtract = createAdder(-1, 'subtract');



    function getCalendarFormat(myMoment, now) {

        var diff = myMoment.diff(now, 'days', true);

        return diff < -6 ? 'sameElse' :
                diff < -1 ? 'lastWeek' :
                diff < 0 ? 'lastDay' :
                diff < 1 ? 'sameDay' :
                diff < 2 ? 'nextDay' :
                diff < 7 ? 'nextWeek' : 'sameElse';

    }



    function moment_calendar__calendar(time, formats) {

        // We want to compare the start of today, vs this.

        // Getting start-of-today depends on whether we're local/utc/offset or not.

        var now = time || local__createLocal(),
                sod = cloneWithOffset(now, this).startOf('day'),
                format = utils_hooks__hooks.calendarFormat(this, sod) || 'sameElse';



        var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);



        return this.format(output || this.localeData().calendar(format, this, local__createLocal(now)));

    }



    function clone() {

        return new Moment(this);

    }



    function isAfter(input, units) {

        var localInput = isMoment(input) ? input : local__createLocal(input);

        if (!(this.isValid() && localInput.isValid())) {

            return false;

        }

        units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');

        if (units === 'millisecond') {

            return this.valueOf() > localInput.valueOf();

        } else {

            return localInput.valueOf() < this.clone().startOf(units).valueOf();

        }

    }



    function isBefore(input, units) {

        var localInput = isMoment(input) ? input : local__createLocal(input);

        if (!(this.isValid() && localInput.isValid())) {

            return false;

        }

        units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');

        if (units === 'millisecond') {

            return this.valueOf() < localInput.valueOf();

        } else {

            return this.clone().endOf(units).valueOf() < localInput.valueOf();

        }

    }



    function isBetween(from, to, units, inclusivity) {

        inclusivity = inclusivity || '()';

        return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&
                (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));

    }



    function isSame(input, units) {

        var localInput = isMoment(input) ? input : local__createLocal(input),
                inputMs;

        if (!(this.isValid() && localInput.isValid())) {

            return false;

        }

        units = normalizeUnits(units || 'millisecond');

        if (units === 'millisecond') {

            return this.valueOf() === localInput.valueOf();

        } else {

            inputMs = localInput.valueOf();

            return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();

        }

    }



    function isSameOrAfter(input, units) {

        return this.isSame(input, units) || this.isAfter(input, units);

    }



    function isSameOrBefore(input, units) {

        return this.isSame(input, units) || this.isBefore(input, units);

    }



    function diff(input, units, asFloat) {

        var that,
                zoneDelta,
                delta, output;



        if (!this.isValid()) {

            return NaN;

        }



        that = cloneWithOffset(input, this);



        if (!that.isValid()) {

            return NaN;

        }



        zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;



        units = normalizeUnits(units);



        if (units === 'year' || units === 'month' || units === 'quarter') {

            output = monthDiff(this, that);

            if (units === 'quarter') {

                output = output / 3;

            } else if (units === 'year') {

                output = output / 12;

            }

        } else {

            delta = this - that;

            output = units === 'second' ? delta / 1e3 : // 1000

                    units === 'minute' ? delta / 6e4 : // 1000 * 60

                    units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60

                    units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst

                    units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst

                    delta;

        }

        return asFloat ? output : absFloor(output);

    }



    function monthDiff(a, b) {

        // difference in months

        var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
                // b is in (anchor - 1 month, anchor + 1 month)

                anchor = a.clone().add(wholeMonthDiff, 'months'),
                anchor2, adjust;



        if (b - anchor < 0) {

            anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');

            // linear across the month

            adjust = (b - anchor) / (anchor - anchor2);

        } else {

            anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');

            // linear across the month

            adjust = (b - anchor) / (anchor2 - anchor);

        }



        //check for negative zero, return zero if negative zero

        return -(wholeMonthDiff + adjust) || 0;

    }



    utils_hooks__hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';

    utils_hooks__hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';



    function toString() {

        return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');

    }



    function moment_format__toISOString() {

        var m = this.clone().utc();

        if (0 < m.year() && m.year() <= 9999) {

            if (isFunction(Date.prototype.toISOString)) {

                // native implementation is ~50x faster, use it when we can

                return this.toDate().toISOString();

            } else {

                return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');

            }

        } else {

            return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');

        }

    }



    function format(inputString) {

        if (!inputString) {

            inputString = this.isUtc() ? utils_hooks__hooks.defaultFormatUtc : utils_hooks__hooks.defaultFormat;

        }

        var output = formatMoment(this, inputString);

        return this.localeData().postformat(output);

    }



    function from(time, withoutSuffix) {

        if (this.isValid() &&
                ((isMoment(time) && time.isValid()) ||
                        local__createLocal(time).isValid())) {

            return create__createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);

        } else {

            return this.localeData().invalidDate();

        }

    }



    function fromNow(withoutSuffix) {

        return this.from(local__createLocal(), withoutSuffix);

    }



    function to(time, withoutSuffix) {

        if (this.isValid() &&
                ((isMoment(time) && time.isValid()) ||
                        local__createLocal(time).isValid())) {

            return create__createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);

        } else {

            return this.localeData().invalidDate();

        }

    }



    function toNow(withoutSuffix) {

        return this.to(local__createLocal(), withoutSuffix);

    }



    // If passed a locale key, it will set the locale for this

    // instance.  Otherwise, it will return the locale configuration

    // variables for this instance.

    function locale(key) {

        var newLocaleData;



        if (key === undefined) {

            return this._locale._abbr;

        } else {

            newLocaleData = locale_locales__getLocale(key);

            if (newLocaleData != null) {

                this._locale = newLocaleData;

            }

            return this;

        }

    }



    var lang = deprecate(
            'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
            function (key) {

                if (key === undefined) {

                    return this.localeData();

                } else {

                    return this.locale(key);

                }

            }

    );



    function localeData() {

        return this._locale;

    }



    function startOf(units) {

        units = normalizeUnits(units);

        // the following switch intentionally omits break keywords

        // to utilize falling through the cases.

        switch (units) {

            case 'year':

                this.month(0);

                /* falls through */

            case 'quarter':

            case 'month':

                this.date(1);

                /* falls through */

            case 'week':

            case 'isoWeek':

            case 'day':

            case 'date':

                this.hours(0);

                /* falls through */

            case 'hour':

                this.minutes(0);

                /* falls through */

            case 'minute':

                this.seconds(0);

                /* falls through */

            case 'second':

                this.milliseconds(0);

        }



        // weeks are a special case

        if (units === 'week') {

            this.weekday(0);

        }

        if (units === 'isoWeek') {

            this.isoWeekday(1);

        }



        // quarters are also special

        if (units === 'quarter') {

            this.month(Math.floor(this.month() / 3) * 3);

        }



        return this;

    }



    function endOf(units) {

        units = normalizeUnits(units);

        if (units === undefined || units === 'millisecond') {

            return this;

        }



        // 'date' is an alias for 'day', so it should be considered as such.

        if (units === 'date') {

            units = 'day';

        }



        return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');

    }



    function to_type__valueOf() {

        return this._d.valueOf() - ((this._offset || 0) * 60000);

    }



    function unix() {

        return Math.floor(this.valueOf() / 1000);

    }



    function toDate() {

        return new Date(this.valueOf());

    }



    function toArray() {

        var m = this;

        return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];

    }



    function toObject() {

        var m = this;

        return {

            years: m.year(),

            months: m.month(),

            date: m.date(),

            hours: m.hours(),

            minutes: m.minutes(),

            seconds: m.seconds(),

            milliseconds: m.milliseconds()

        };

    }



    function toJSON() {

        // new Date(NaN).toJSON() === null

        return this.isValid() ? this.toISOString() : null;

    }



    function moment_valid__isValid() {

        return valid__isValid(this);

    }



    function parsingFlags() {

        return extend({}, getParsingFlags(this));

    }



    function invalidAt() {

        return getParsingFlags(this).overflow;

    }



    function creationData() {

        return {

            input: this._i,

            format: this._f,

            locale: this._locale,

            isUTC: this._isUTC,

            strict: this._strict

        };

    }



    // FORMATTING



    addFormatToken(0, ['gg', 2], 0, function () {

        return this.weekYear() % 100;

    });



    addFormatToken(0, ['GG', 2], 0, function () {

        return this.isoWeekYear() % 100;

    });



    function addWeekYearFormatToken(token, getter) {

        addFormatToken(0, [token, token.length], 0, getter);

    }



    addWeekYearFormatToken('gggg', 'weekYear');

    addWeekYearFormatToken('ggggg', 'weekYear');

    addWeekYearFormatToken('GGGG', 'isoWeekYear');

    addWeekYearFormatToken('GGGGG', 'isoWeekYear');



    // ALIASES



    addUnitAlias('weekYear', 'gg');

    addUnitAlias('isoWeekYear', 'GG');



    // PRIORITY



    addUnitPriority('weekYear', 1);

    addUnitPriority('isoWeekYear', 1);





    // PARSING



    addRegexToken('G', matchSigned);

    addRegexToken('g', matchSigned);

    addRegexToken('GG', match1to2, match2);

    addRegexToken('gg', match1to2, match2);

    addRegexToken('GGGG', match1to4, match4);

    addRegexToken('gggg', match1to4, match4);

    addRegexToken('GGGGG', match1to6, match6);

    addRegexToken('ggggg', match1to6, match6);



    addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {

        week[token.substr(0, 2)] = toInt(input);

    });



    addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {

        week[token] = utils_hooks__hooks.parseTwoDigitYear(input);

    });



    // MOMENTS



    function getSetWeekYear(input) {

        return getSetWeekYearHelper.call(this,
                input,
                this.week(),
                this.weekday(),
                this.localeData()._week.dow,
                this.localeData()._week.doy);

    }



    function getSetISOWeekYear(input) {

        return getSetWeekYearHelper.call(this,
                input, this.isoWeek(), this.isoWeekday(), 1, 4);

    }



    function getISOWeeksInYear() {

        return weeksInYear(this.year(), 1, 4);

    }



    function getWeeksInYear() {

        var weekInfo = this.localeData()._week;

        return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);

    }



    function getSetWeekYearHelper(input, week, weekday, dow, doy) {

        var weeksTarget;

        if (input == null) {

            return weekOfYear(this, dow, doy).year;

        } else {

            weeksTarget = weeksInYear(input, dow, doy);

            if (week > weeksTarget) {

                week = weeksTarget;

            }

            return setWeekAll.call(this, input, week, weekday, dow, doy);

        }

    }



    function setWeekAll(weekYear, week, weekday, dow, doy) {

        var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
                date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);



        this.year(date.getUTCFullYear());

        this.month(date.getUTCMonth());

        this.date(date.getUTCDate());

        return this;

    }



    // FORMATTING



    addFormatToken('Q', 0, 'Qo', 'quarter');



    // ALIASES



    addUnitAlias('quarter', 'Q');



    // PRIORITY



    addUnitPriority('quarter', 7);



    // PARSING



    addRegexToken('Q', match1);

    addParseToken('Q', function (input, array) {

        array[MONTH] = (toInt(input) - 1) * 3;

    });



    // MOMENTS



    function getSetQuarter(input) {

        return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);

    }



    // FORMATTING



    addFormatToken('D', ['DD', 2], 'Do', 'date');



    // ALIASES



    addUnitAlias('date', 'D');



    // PRIOROITY

    addUnitPriority('date', 9);



    // PARSING



    addRegexToken('D', match1to2);

    addRegexToken('DD', match1to2, match2);

    addRegexToken('Do', function (isStrict, locale) {

        return isStrict ? locale._ordinalParse : locale._ordinalParseLenient;

    });



    addParseToken(['D', 'DD'], DATE);

    addParseToken('Do', function (input, array) {

        array[DATE] = toInt(input.match(match1to2)[0], 10);

    });



    // MOMENTS



    var getSetDayOfMonth = makeGetSet('Date', true);



    // FORMATTING



    addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');



    // ALIASES



    addUnitAlias('dayOfYear', 'DDD');



    // PRIORITY

    addUnitPriority('dayOfYear', 4);



    // PARSING



    addRegexToken('DDD', match1to3);

    addRegexToken('DDDD', match3);

    addParseToken(['DDD', 'DDDD'], function (input, array, config) {

        config._dayOfYear = toInt(input);

    });



    // HELPERS



    // MOMENTS



    function getSetDayOfYear(input) {

        var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;

        return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');

    }



    // FORMATTING



    addFormatToken('m', ['mm', 2], 0, 'minute');



    // ALIASES



    addUnitAlias('minute', 'm');



    // PRIORITY



    addUnitPriority('minute', 14);



    // PARSING



    addRegexToken('m', match1to2);

    addRegexToken('mm', match1to2, match2);

    addParseToken(['m', 'mm'], MINUTE);



    // MOMENTS



    var getSetMinute = makeGetSet('Minutes', false);



    // FORMATTING



    addFormatToken('s', ['ss', 2], 0, 'second');



    // ALIASES



    addUnitAlias('second', 's');



    // PRIORITY



    addUnitPriority('second', 15);



    // PARSING



    addRegexToken('s', match1to2);

    addRegexToken('ss', match1to2, match2);

    addParseToken(['s', 'ss'], SECOND);



    // MOMENTS



    var getSetSecond = makeGetSet('Seconds', false);



    // FORMATTING



    addFormatToken('S', 0, 0, function () {

        return ~~(this.millisecond() / 100);

    });



    addFormatToken(0, ['SS', 2], 0, function () {

        return ~~(this.millisecond() / 10);

    });



    addFormatToken(0, ['SSS', 3], 0, 'millisecond');

    addFormatToken(0, ['SSSS', 4], 0, function () {

        return this.millisecond() * 10;

    });

    addFormatToken(0, ['SSSSS', 5], 0, function () {

        return this.millisecond() * 100;

    });

    addFormatToken(0, ['SSSSSS', 6], 0, function () {

        return this.millisecond() * 1000;

    });

    addFormatToken(0, ['SSSSSSS', 7], 0, function () {

        return this.millisecond() * 10000;

    });

    addFormatToken(0, ['SSSSSSSS', 8], 0, function () {

        return this.millisecond() * 100000;

    });

    addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {

        return this.millisecond() * 1000000;

    });





    // ALIASES



    addUnitAlias('millisecond', 'ms');



    // PRIORITY



    addUnitPriority('millisecond', 16);



    // PARSING



    addRegexToken('S', match1to3, match1);

    addRegexToken('SS', match1to3, match2);

    addRegexToken('SSS', match1to3, match3);



    var token;

    for (token = 'SSSS'; token.length <= 9; token += 'S') {

        addRegexToken(token, matchUnsigned);

    }



    function parseMs(input, array) {

        array[MILLISECOND] = toInt(('0.' + input) * 1000);

    }



    for (token = 'S'; token.length <= 9; token += 'S') {

        addParseToken(token, parseMs);

    }

    // MOMENTS



    var getSetMillisecond = makeGetSet('Milliseconds', false);



    // FORMATTING



    addFormatToken('z', 0, 0, 'zoneAbbr');

    addFormatToken('zz', 0, 0, 'zoneName');



    // MOMENTS



    function getZoneAbbr() {

        return this._isUTC ? 'UTC' : '';

    }



    function getZoneName() {

        return this._isUTC ? 'Coordinated Universal Time' : '';

    }



    var momentPrototype__proto = Moment.prototype;



    momentPrototype__proto.add = add_subtract__add;

    momentPrototype__proto.calendar = moment_calendar__calendar;

    momentPrototype__proto.clone = clone;

    momentPrototype__proto.diff = diff;

    momentPrototype__proto.endOf = endOf;

    momentPrototype__proto.format = format;

    momentPrototype__proto.from = from;

    momentPrototype__proto.fromNow = fromNow;

    momentPrototype__proto.to = to;

    momentPrototype__proto.toNow = toNow;

    momentPrototype__proto.get = stringGet;

    momentPrototype__proto.invalidAt = invalidAt;

    momentPrototype__proto.isAfter = isAfter;

    momentPrototype__proto.isBefore = isBefore;

    momentPrototype__proto.isBetween = isBetween;

    momentPrototype__proto.isSame = isSame;

    momentPrototype__proto.isSameOrAfter = isSameOrAfter;

    momentPrototype__proto.isSameOrBefore = isSameOrBefore;

    momentPrototype__proto.isValid = moment_valid__isValid;

    momentPrototype__proto.lang = lang;

    momentPrototype__proto.locale = locale;

    momentPrototype__proto.localeData = localeData;

    momentPrototype__proto.max = prototypeMax;

    momentPrototype__proto.min = prototypeMin;

    momentPrototype__proto.parsingFlags = parsingFlags;

    momentPrototype__proto.set = stringSet;

    momentPrototype__proto.startOf = startOf;

    momentPrototype__proto.subtract = add_subtract__subtract;

    momentPrototype__proto.toArray = toArray;

    momentPrototype__proto.toObject = toObject;

    momentPrototype__proto.toDate = toDate;

    momentPrototype__proto.toISOString = moment_format__toISOString;

    momentPrototype__proto.toJSON = toJSON;

    momentPrototype__proto.toString = toString;

    momentPrototype__proto.unix = unix;

    momentPrototype__proto.valueOf = to_type__valueOf;

    momentPrototype__proto.creationData = creationData;



    // Year

    momentPrototype__proto.year = getSetYear;

    momentPrototype__proto.isLeapYear = getIsLeapYear;



    // Week Year

    momentPrototype__proto.weekYear = getSetWeekYear;

    momentPrototype__proto.isoWeekYear = getSetISOWeekYear;



    // Quarter

    momentPrototype__proto.quarter = momentPrototype__proto.quarters = getSetQuarter;



    // Month

    momentPrototype__proto.month = getSetMonth;

    momentPrototype__proto.daysInMonth = getDaysInMonth;



    // Week

    momentPrototype__proto.week = momentPrototype__proto.weeks = getSetWeek;

    momentPrototype__proto.isoWeek = momentPrototype__proto.isoWeeks = getSetISOWeek;

    momentPrototype__proto.weeksInYear = getWeeksInYear;

    momentPrototype__proto.isoWeeksInYear = getISOWeeksInYear;



    // Day

    momentPrototype__proto.date = getSetDayOfMonth;

    momentPrototype__proto.day = momentPrototype__proto.days = getSetDayOfWeek;

    momentPrototype__proto.weekday = getSetLocaleDayOfWeek;

    momentPrototype__proto.isoWeekday = getSetISODayOfWeek;

    momentPrototype__proto.dayOfYear = getSetDayOfYear;



    // Hour

    momentPrototype__proto.hour = momentPrototype__proto.hours = getSetHour;



    // Minute

    momentPrototype__proto.minute = momentPrototype__proto.minutes = getSetMinute;



    // Second

    momentPrototype__proto.second = momentPrototype__proto.seconds = getSetSecond;



    // Millisecond

    momentPrototype__proto.millisecond = momentPrototype__proto.milliseconds = getSetMillisecond;



    // Offset

    momentPrototype__proto.utcOffset = getSetOffset;

    momentPrototype__proto.utc = setOffsetToUTC;

    momentPrototype__proto.local = setOffsetToLocal;

    momentPrototype__proto.parseZone = setOffsetToParsedOffset;

    momentPrototype__proto.hasAlignedHourOffset = hasAlignedHourOffset;

    momentPrototype__proto.isDST = isDaylightSavingTime;

    momentPrototype__proto.isLocal = isLocal;

    momentPrototype__proto.isUtcOffset = isUtcOffset;

    momentPrototype__proto.isUtc = isUtc;

    momentPrototype__proto.isUTC = isUtc;



    // Timezone

    momentPrototype__proto.zoneAbbr = getZoneAbbr;

    momentPrototype__proto.zoneName = getZoneName;



    // Deprecations

    momentPrototype__proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);

    momentPrototype__proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);

    momentPrototype__proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear);

    momentPrototype__proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);

    momentPrototype__proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);



    var momentPrototype = momentPrototype__proto;



    function moment__createUnix(input) {

        return local__createLocal(input * 1000);

    }



    function moment__createInZone() {

        return local__createLocal.apply(null, arguments).parseZone();

    }



    function preParsePostFormat(string) {

        return string;

    }



    var prototype__proto = Locale.prototype;



    prototype__proto.calendar = locale_calendar__calendar;

    prototype__proto.longDateFormat = longDateFormat;

    prototype__proto.invalidDate = invalidDate;

    prototype__proto.ordinal = ordinal;

    prototype__proto.preparse = preParsePostFormat;

    prototype__proto.postformat = preParsePostFormat;

    prototype__proto.relativeTime = relative__relativeTime;

    prototype__proto.pastFuture = pastFuture;

    prototype__proto.set = locale_set__set;



    // Month

    prototype__proto.months = localeMonths;

    prototype__proto.monthsShort = localeMonthsShort;

    prototype__proto.monthsParse = localeMonthsParse;

    prototype__proto.monthsRegex = monthsRegex;

    prototype__proto.monthsShortRegex = monthsShortRegex;



    // Week

    prototype__proto.week = localeWeek;

    prototype__proto.firstDayOfYear = localeFirstDayOfYear;

    prototype__proto.firstDayOfWeek = localeFirstDayOfWeek;



    // Day of Week

    prototype__proto.weekdays = localeWeekdays;

    prototype__proto.weekdaysMin = localeWeekdaysMin;

    prototype__proto.weekdaysShort = localeWeekdaysShort;

    prototype__proto.weekdaysParse = localeWeekdaysParse;



    prototype__proto.weekdaysRegex = weekdaysRegex;

    prototype__proto.weekdaysShortRegex = weekdaysShortRegex;

    prototype__proto.weekdaysMinRegex = weekdaysMinRegex;



    // Hours

    prototype__proto.isPM = localeIsPM;

    prototype__proto.meridiem = localeMeridiem;



    function lists__get(format, index, field, setter) {

        var locale = locale_locales__getLocale();

        var utc = create_utc__createUTC().set(setter, index);

        return locale[field](utc, format);

    }



    function listMonthsImpl(format, index, field) {

        if (typeof format === 'number') {

            index = format;

            format = undefined;

        }



        format = format || '';



        if (index != null) {

            return lists__get(format, index, field, 'month');

        }



        var i;

        var out = [];

        for (i = 0; i < 12; i++) {

            out[i] = lists__get(format, i, field, 'month');

        }

        return out;

    }



    // ()

    // (5)

    // (fmt, 5)

    // (fmt)

    // (true)

    // (true, 5)

    // (true, fmt, 5)

    // (true, fmt)

    function listWeekdaysImpl(localeSorted, format, index, field) {

        if (typeof localeSorted === 'boolean') {

            if (typeof format === 'number') {

                index = format;

                format = undefined;

            }



            format = format || '';

        } else {

            format = localeSorted;

            index = format;

            localeSorted = false;



            if (typeof format === 'number') {

                index = format;

                format = undefined;

            }



            format = format || '';

        }



        var locale = locale_locales__getLocale(),
                shift = localeSorted ? locale._week.dow : 0;



        if (index != null) {

            return lists__get(format, (index + shift) % 7, field, 'day');

        }



        var i;

        var out = [];

        for (i = 0; i < 7; i++) {

            out[i] = lists__get(format, (i + shift) % 7, field, 'day');

        }

        return out;

    }



    function lists__listMonths(format, index) {

        return listMonthsImpl(format, index, 'months');

    }



    function lists__listMonthsShort(format, index) {

        return listMonthsImpl(format, index, 'monthsShort');

    }



    function lists__listWeekdays(localeSorted, format, index) {

        return listWeekdaysImpl(localeSorted, format, index, 'weekdays');

    }



    function lists__listWeekdaysShort(localeSorted, format, index) {

        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');

    }



    function lists__listWeekdaysMin(localeSorted, format, index) {

        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');

    }



    locale_locales__getSetGlobalLocale('en', {

        ordinalParse: /\d{1,2}(th|st|nd|rd)/,

        ordinal: function (number) {

            var b = number % 10,
                    output = (toInt(number % 100 / 10) === 1) ? 'th' :
                    (b === 1) ? 'st' :
                    (b === 2) ? 'nd' :
                    (b === 3) ? 'rd' : 'th';

            return number + output;

        }

    });



    // Side effect imports

    utils_hooks__hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', locale_locales__getSetGlobalLocale);

    utils_hooks__hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', locale_locales__getLocale);



    var mathAbs = Math.abs;



    function duration_abs__abs() {

        var data = this._data;



        this._milliseconds = mathAbs(this._milliseconds);

        this._days = mathAbs(this._days);

        this._months = mathAbs(this._months);



        data.milliseconds = mathAbs(data.milliseconds);

        data.seconds = mathAbs(data.seconds);

        data.minutes = mathAbs(data.minutes);

        data.hours = mathAbs(data.hours);

        data.months = mathAbs(data.months);

        data.years = mathAbs(data.years);



        return this;

    }



    function duration_add_subtract__addSubtract(duration, input, value, direction) {

        var other = create__createDuration(input, value);



        duration._milliseconds += direction * other._milliseconds;

        duration._days += direction * other._days;

        duration._months += direction * other._months;



        return duration._bubble();

    }



    // supports only 2.0-style add(1, 's') or add(duration)

    function duration_add_subtract__add(input, value) {

        return duration_add_subtract__addSubtract(this, input, value, 1);

    }



    // supports only 2.0-style subtract(1, 's') or subtract(duration)

    function duration_add_subtract__subtract(input, value) {

        return duration_add_subtract__addSubtract(this, input, value, -1);

    }



    function absCeil(number) {

        if (number < 0) {

            return Math.floor(number);

        } else {

            return Math.ceil(number);

        }

    }



    function bubble() {

        var milliseconds = this._milliseconds;

        var days = this._days;

        var months = this._months;

        var data = this._data;

        var seconds, minutes, hours, years, monthsFromDays;



        // if we have a mix of positive and negative values, bubble down first

        // check: https://github.com/moment/moment/issues/2166

        if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
                (milliseconds <= 0 && days <= 0 && months <= 0))) {

            milliseconds += absCeil(monthsToDays(months) + days) * 864e5;

            days = 0;

            months = 0;

        }



        // The following code bubbles up values, see the tests for

        // examples of what that means.

        data.milliseconds = milliseconds % 1000;



        seconds = absFloor(milliseconds / 1000);

        data.seconds = seconds % 60;



        minutes = absFloor(seconds / 60);

        data.minutes = minutes % 60;



        hours = absFloor(minutes / 60);

        data.hours = hours % 24;



        days += absFloor(hours / 24);



        // convert days to months

        monthsFromDays = absFloor(daysToMonths(days));

        months += monthsFromDays;

        days -= absCeil(monthsToDays(monthsFromDays));



        // 12 months -> 1 year

        years = absFloor(months / 12);

        months %= 12;



        data.days = days;

        data.months = months;

        data.years = years;



        return this;

    }



    function daysToMonths(days) {

        // 400 years have 146097 days (taking into account leap year rules)

        // 400 years have 12 months === 4800

        return days * 4800 / 146097;

    }



    function monthsToDays(months) {

        // the reverse of daysToMonths

        return months * 146097 / 4800;

    }



    function as(units) {

        var days;

        var months;

        var milliseconds = this._milliseconds;



        units = normalizeUnits(units);



        if (units === 'month' || units === 'year') {

            days = this._days + milliseconds / 864e5;

            months = this._months + daysToMonths(days);

            return units === 'month' ? months : months / 12;

        } else {

            // handle milliseconds separately because of floating point math errors (issue #1867)

            days = this._days + Math.round(monthsToDays(this._months));

            switch (units) {

                case 'week'   :
                    return days / 7 + milliseconds / 6048e5;

                case 'day'    :
                    return days + milliseconds / 864e5;

                case 'hour'   :
                    return days * 24 + milliseconds / 36e5;

                case 'minute' :
                    return days * 1440 + milliseconds / 6e4;

                case 'second' :
                    return days * 86400 + milliseconds / 1000;

                    // Math.floor prevents floating point math errors here

                case 'millisecond':
                    return Math.floor(days * 864e5) + milliseconds;

                default:
                    throw new Error('Unknown unit ' + units);

            }

        }

    }



    // TODO: Use this.as('ms')?

    function duration_as__valueOf() {

        return (
                this._milliseconds +
                this._days * 864e5 +
                (this._months % 12) * 2592e6 +
                toInt(this._months / 12) * 31536e6

                );

    }



    function makeAs(alias) {

        return function () {

            return this.as(alias);

        };

    }



    var asMilliseconds = makeAs('ms');

    var asSeconds = makeAs('s');

    var asMinutes = makeAs('m');

    var asHours = makeAs('h');

    var asDays = makeAs('d');

    var asWeeks = makeAs('w');

    var asMonths = makeAs('M');

    var asYears = makeAs('y');



    function duration_get__get(units) {

        units = normalizeUnits(units);

        return this[units + 's']();

    }



    function makeGetter(name) {

        return function () {

            return this._data[name];

        };

    }



    var milliseconds = makeGetter('milliseconds');

    var seconds = makeGetter('seconds');

    var minutes = makeGetter('minutes');

    var hours = makeGetter('hours');

    var days = makeGetter('days');

    var months = makeGetter('months');

    var years = makeGetter('years');



    function weeks() {

        return absFloor(this.days() / 7);

    }



    var round = Math.round;

    var thresholds = {

        s: 45, // seconds to minute

        m: 45, // minutes to hour

        h: 22, // hours to day

        d: 26, // days to month

        M: 11   // months to year

    };



    // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize

    function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {

        return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);

    }



    function duration_humanize__relativeTime(posNegDuration, withoutSuffix, locale) {

        var duration = create__createDuration(posNegDuration).abs();

        var seconds = round(duration.as('s'));

        var minutes = round(duration.as('m'));

        var hours = round(duration.as('h'));

        var days = round(duration.as('d'));

        var months = round(duration.as('M'));

        var years = round(duration.as('y'));



        var a = seconds < thresholds.s && ['s', seconds] ||
                minutes <= 1 && ['m'] ||
                minutes < thresholds.m && ['mm', minutes] ||
                hours <= 1 && ['h'] ||
                hours < thresholds.h && ['hh', hours] ||
                days <= 1 && ['d'] ||
                days < thresholds.d && ['dd', days] ||
                months <= 1 && ['M'] ||
                months < thresholds.M && ['MM', months] ||
                years <= 1 && ['y'] || ['yy', years];



        a[2] = withoutSuffix;

        a[3] = +posNegDuration > 0;

        a[4] = locale;

        return substituteTimeAgo.apply(null, a);

    }



    // This function allows you to set the rounding function for relative time strings

    function duration_humanize__getSetRelativeTimeRounding(roundingFunction) {

        if (roundingFunction === undefined) {

            return round;

        }

        if (typeof (roundingFunction) === 'function') {

            round = roundingFunction;

            return true;

        }

        return false;

    }



    // This function allows you to set a threshold for relative time strings

    function duration_humanize__getSetRelativeTimeThreshold(threshold, limit) {

        if (thresholds[threshold] === undefined) {

            return false;

        }

        if (limit === undefined) {

            return thresholds[threshold];

        }

        thresholds[threshold] = limit;

        return true;

    }



    function humanize(withSuffix) {

        var locale = this.localeData();

        var output = duration_humanize__relativeTime(this, !withSuffix, locale);



        if (withSuffix) {

            output = locale.pastFuture(+this, output);

        }



        return locale.postformat(output);

    }



    var iso_string__abs = Math.abs;



    function iso_string__toISOString() {

        // for ISO strings we do not use the normal bubbling rules:

        //  * milliseconds bubble up until they become hours

        //  * days do not bubble at all

        //  * months bubble up until they become years

        // This is because there is no context-free conversion between hours and days

        // (think of clock changes)

        // and also not between days and months (28-31 days per month)

        var seconds = iso_string__abs(this._milliseconds) / 1000;

        var days = iso_string__abs(this._days);

        var months = iso_string__abs(this._months);

        var minutes, hours, years;



        // 3600 seconds -> 60 minutes -> 1 hour

        minutes = absFloor(seconds / 60);

        hours = absFloor(minutes / 60);

        seconds %= 60;

        minutes %= 60;



        // 12 months -> 1 year

        years = absFloor(months / 12);

        months %= 12;





        // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js

        var Y = years;

        var M = months;

        var D = days;

        var h = hours;

        var m = minutes;

        var s = seconds;

        var total = this.asSeconds();



        if (!total) {

            // this is the same as C#'s (Noda) and python (isodate)...

            // but not other JS (goog.date)

            return 'P0D';

        }



        return (total < 0 ? '-' : '') +
                'P' +
                (Y ? Y + 'Y' : '') +
                (M ? M + 'M' : '') +
                (D ? D + 'D' : '') +
                ((h || m || s) ? 'T' : '') +
                (h ? h + 'H' : '') +
                (m ? m + 'M' : '') +
                (s ? s + 'S' : '');

    }



    var duration_prototype__proto = Duration.prototype;



    duration_prototype__proto.abs = duration_abs__abs;

    duration_prototype__proto.add = duration_add_subtract__add;

    duration_prototype__proto.subtract = duration_add_subtract__subtract;

    duration_prototype__proto.as = as;

    duration_prototype__proto.asMilliseconds = asMilliseconds;

    duration_prototype__proto.asSeconds = asSeconds;

    duration_prototype__proto.asMinutes = asMinutes;

    duration_prototype__proto.asHours = asHours;

    duration_prototype__proto.asDays = asDays;

    duration_prototype__proto.asWeeks = asWeeks;

    duration_prototype__proto.asMonths = asMonths;

    duration_prototype__proto.asYears = asYears;

    duration_prototype__proto.valueOf = duration_as__valueOf;

    duration_prototype__proto._bubble = bubble;

    duration_prototype__proto.get = duration_get__get;

    duration_prototype__proto.milliseconds = milliseconds;

    duration_prototype__proto.seconds = seconds;

    duration_prototype__proto.minutes = minutes;

    duration_prototype__proto.hours = hours;

    duration_prototype__proto.days = days;

    duration_prototype__proto.weeks = weeks;

    duration_prototype__proto.months = months;

    duration_prototype__proto.years = years;

    duration_prototype__proto.humanize = humanize;

    duration_prototype__proto.toISOString = iso_string__toISOString;

    duration_prototype__proto.toString = iso_string__toISOString;

    duration_prototype__proto.toJSON = iso_string__toISOString;

    duration_prototype__proto.locale = locale;

    duration_prototype__proto.localeData = localeData;



    // Deprecations

    duration_prototype__proto.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', iso_string__toISOString);

    duration_prototype__proto.lang = lang;



    // Side effect imports



    // FORMATTING



    addFormatToken('X', 0, 0, 'unix');

    addFormatToken('x', 0, 0, 'valueOf');



    // PARSING



    addRegexToken('x', matchSigned);

    addRegexToken('X', matchTimestamp);

    addParseToken('X', function (input, array, config) {

        config._d = new Date(parseFloat(input, 10) * 1000);

    });

    addParseToken('x', function (input, array, config) {

        config._d = new Date(toInt(input));

    });



    // Side effect imports





    utils_hooks__hooks.version = '2.14.1';



    setHookCallback(local__createLocal);



    utils_hooks__hooks.fn = momentPrototype;

    utils_hooks__hooks.min = min;

    utils_hooks__hooks.max = max;

    utils_hooks__hooks.now = now;

    utils_hooks__hooks.utc = create_utc__createUTC;

    utils_hooks__hooks.unix = moment__createUnix;

    utils_hooks__hooks.months = lists__listMonths;

    utils_hooks__hooks.isDate = isDate;

    utils_hooks__hooks.locale = locale_locales__getSetGlobalLocale;

    utils_hooks__hooks.invalid = valid__createInvalid;

    utils_hooks__hooks.duration = create__createDuration;

    utils_hooks__hooks.isMoment = isMoment;

    utils_hooks__hooks.weekdays = lists__listWeekdays;

    utils_hooks__hooks.parseZone = moment__createInZone;

    utils_hooks__hooks.localeData = locale_locales__getLocale;

    utils_hooks__hooks.isDuration = isDuration;

    utils_hooks__hooks.monthsShort = lists__listMonthsShort;

    utils_hooks__hooks.weekdaysMin = lists__listWeekdaysMin;

    utils_hooks__hooks.defineLocale = defineLocale;

    utils_hooks__hooks.updateLocale = updateLocale;

    utils_hooks__hooks.locales = locale_locales__listLocales;

    utils_hooks__hooks.weekdaysShort = lists__listWeekdaysShort;

    utils_hooks__hooks.normalizeUnits = normalizeUnits;

    utils_hooks__hooks.relativeTimeRounding = duration_humanize__getSetRelativeTimeRounding;

    utils_hooks__hooks.relativeTimeThreshold = duration_humanize__getSetRelativeTimeThreshold;

    utils_hooks__hooks.calendarFormat = getCalendarFormat;

    utils_hooks__hooks.prototype = momentPrototype;



    var _moment = utils_hooks__hooks;



    return _moment;



}));