index.js

            past: '%s á~gó',
            s: 'á ~féw ~sécó~ñds',
            ss: '%d s~écóñ~ds',
            m: 'á ~míñ~úté',
            mm: '%d m~íñú~tés',
            h: 'á~ñ hó~úr',
            hh: '%d h~óúrs',
            d: 'á ~dáý',
            dd: '%d d~áýs',
            M: 'á ~móñ~th',
            MM: '%d m~óñt~hs',
            y: 'á ~ýéár',
            yy: '%d ý~éárs',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
        ordinal: function (number) {
            var b = number % 10,
                output =
                    ~~((number % 100) / 10) === 1
                        ? 'th'
                        : b === 1
                        ? 'st'
                        : b === 2
                        ? 'nd'
                        : b === 3
                        ? 'rd'
                        : 'th';
            return number + output;
        },
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    return xPseudo;

})));


/***/ }),
/* 1494 */
/***/ (function(__unused_webpack_module, __unused_webpack_exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Yoruba Nigeria [yo]
//! author : Atolagbe Abisoye : https://github.com/andela-batolagbe

;(function (global, factory) {
    true ? factory(__webpack_require__(1362)) :
   0
}(this, (function (moment) { 'use strict';

    //! moment.js locale configuration

    var yo = moment.defineLocale('yo', {
        months: 'Sẹ́rẹ́_Èrèlè_Ẹrẹ̀nà_Ìgbé_Èbibi_Òkùdu_Agẹmo_Ògún_Owewe_Ọ̀wàrà_Bélú_Ọ̀pẹ̀̀'.split(
            '_'
        ),
        monthsShort: 'Sẹ́r_Èrl_Ẹrn_Ìgb_Èbi_Òkù_Agẹ_Ògú_Owe_Ọ̀wà_Bél_Ọ̀pẹ̀̀'.split('_'),
        weekdays: 'Àìkú_Ajé_Ìsẹ́gun_Ọjọ́rú_Ọjọ́bọ_Ẹtì_Àbámẹ́ta'.split('_'),
        weekdaysShort: 'Àìk_Ajé_Ìsẹ́_Ọjr_Ọjb_Ẹtì_Àbá'.split('_'),
        weekdaysMin: 'Àì_Aj_Ìs_Ọr_Ọb_Ẹt_Àb'.split('_'),
        longDateFormat: {
            LT: 'h:mm A',
            LTS: 'h:mm:ss A',
            L: 'DD/MM/YYYY',
            LL: 'D MMMM YYYY',
            LLL: 'D MMMM YYYY h:mm A',
            LLLL: 'dddd, D MMMM YYYY h:mm A',
        },
        calendar: {
            sameDay: '[Ònì ni] LT',
            nextDay: '[Ọ̀la ni] LT',
            nextWeek: "dddd [Ọsẹ̀ tón'bọ] [ni] LT",
            lastDay: '[Àna ni] LT',
            lastWeek: 'dddd [Ọsẹ̀ tólọ́] [ni] LT',
            sameElse: 'L',
        },
        relativeTime: {
            future: 'ní %s',
            past: '%s kọjá',
            s: 'ìsẹjú aayá die',
            ss: 'aayá %d',
            m: 'ìsẹjú kan',
            mm: 'ìsẹjú %d',
            h: 'wákati kan',
            hh: 'wákati %d',
            d: 'ọjọ́ kan',
            dd: 'ọjọ́ %d',
            M: 'osù kan',
            MM: 'osù %d',
            y: 'ọdún kan',
            yy: 'ọdún %d',
        },
        dayOfMonthOrdinalParse: /ọjọ́\s\d{1,2}/,
        ordinal: 'ọjọ́ %d',
        week: {
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    return yo;

})));


/***/ }),
/* 1495 */
/***/ (function(__unused_webpack_module, __unused_webpack_exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Chinese (China) [zh-cn]
//! author : suupic : https://github.com/suupic
//! author : Zeno Zeng : https://github.com/zenozeng
//! author : uu109 : https://github.com/uu109

;(function (global, factory) {
    true ? factory(__webpack_require__(1362)) :
   0
}(this, (function (moment) { 'use strict';

    //! moment.js locale configuration

    var zhCn = moment.defineLocale('zh-cn', {
        months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split(
            '_'
        ),
        monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split(
            '_'
        ),
        weekdays: '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
        weekdaysShort: '周日_周一_周二_周三_周四_周五_周六'.split('_'),
        weekdaysMin: '日_一_二_三_四_五_六'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY/MM/DD',
            LL: 'YYYY年M月D日',
            LLL: 'YYYY年M月D日Ah点mm分',
            LLLL: 'YYYY年M月D日ddddAh点mm分',
            l: 'YYYY/M/D',
            ll: 'YYYY年M月D日',
            lll: 'YYYY年M月D日 HH:mm',
            llll: 'YYYY年M月D日dddd HH:mm',
        },
        meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === '凌晨' || meridiem === '早上' || meridiem === '上午') {
                return hour;
            } else if (meridiem === '下午' || meridiem === '晚上') {
                return hour + 12;
            } else {
                // '中午'
                return hour >= 11 ? hour : hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            var hm = hour * 100 + minute;
            if (hm < 600) {
                return '凌晨';
            } else if (hm < 900) {
                return '早上';
            } else if (hm < 1130) {
                return '上午';
            } else if (hm < 1230) {
                return '中午';
            } else if (hm < 1800) {
                return '下午';
            } else {
                return '晚上';
            }
        },
        calendar: {
            sameDay: '[今天]LT',
            nextDay: '[明天]LT',
            nextWeek: function (now) {
                if (now.week() !== this.week()) {
                    return '[下]dddLT';
                } else {
                    return '[本]dddLT';
                }
            },
            lastDay: '[昨天]LT',
            lastWeek: function (now) {
                if (this.week() !== now.week()) {
                    return '[上]dddLT';
                } else {
                    return '[本]dddLT';
                }
            },
            sameElse: 'L',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(日|月|周)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '日';
                case 'M':
                    return number + '月';
                case 'w':
                case 'W':
                    return number + '周';
                default:
                    return number;
            }
        },
        relativeTime: {
            future: '%s后',
            past: '%s前',
            s: '几秒',
            ss: '%d 秒',
            m: '1 分钟',
            mm: '%d 分钟',
            h: '1 小时',
            hh: '%d 小时',
            d: '1 天',
            dd: '%d 天',
            w: '1 周',
            ww: '%d 周',
            M: '1 个月',
            MM: '%d 个月',
            y: '1 年',
            yy: '%d 年',
        },
        week: {
            // GB/T 7408-1994《数据元和交换格式·信息交换·日期和时间表示法》与ISO 8601:1988等效
            dow: 1, // Monday is the first day of the week.
            doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
    });

    return zhCn;

})));


/***/ }),
/* 1496 */
/***/ (function(__unused_webpack_module, __unused_webpack_exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Chinese (Hong Kong) [zh-hk]
//! author : Ben : https://github.com/ben-lin
//! author : Chris Lam : https://github.com/hehachris
//! author : Konstantin : https://github.com/skfd
//! author : Anthony : https://github.com/anthonylau

;(function (global, factory) {
    true ? factory(__webpack_require__(1362)) :
   0
}(this, (function (moment) { 'use strict';

    //! moment.js locale configuration

    var zhHk = moment.defineLocale('zh-hk', {
        months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split(
            '_'
        ),
        monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split(
            '_'
        ),
        weekdays: '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
        weekdaysShort: '週日_週一_週二_週三_週四_週五_週六'.split('_'),
        weekdaysMin: '日_一_二_三_四_五_六'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY/MM/DD',
            LL: 'YYYY年M月D日',
            LLL: 'YYYY年M月D日 HH:mm',
            LLLL: 'YYYY年M月D日dddd HH:mm',
            l: 'YYYY/M/D',
            ll: 'YYYY年M月D日',
            lll: 'YYYY年M月D日 HH:mm',
            llll: 'YYYY年M月D日dddd HH:mm',
        },
        meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === '凌晨' || meridiem === '早上' || meridiem === '上午') {
                return hour;
            } else if (meridiem === '中午') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === '下午' || meridiem === '晚上') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            var hm = hour * 100 + minute;
            if (hm < 600) {
                return '凌晨';
            } else if (hm < 900) {
                return '早上';
            } else if (hm < 1200) {
                return '上午';
            } else if (hm === 1200) {
                return '中午';
            } else if (hm < 1800) {
                return '下午';
            } else {
                return '晚上';
            }
        },
        calendar: {
            sameDay: '[今天]LT',
            nextDay: '[明天]LT',
            nextWeek: '[下]ddddLT',
            lastDay: '[昨天]LT',
            lastWeek: '[上]ddddLT',
            sameElse: 'L',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(日|月|週)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '日';
                case 'M':
                    return number + '月';
                case 'w':
                case 'W':
                    return number + '週';
                default:
                    return number;
            }
        },
        relativeTime: {
            future: '%s後',
            past: '%s前',
            s: '幾秒',
            ss: '%d 秒',
            m: '1 分鐘',
            mm: '%d 分鐘',
            h: '1 小時',
            hh: '%d 小時',
            d: '1 天',
            dd: '%d 天',
            M: '1 個月',
            MM: '%d 個月',
            y: '1 年',
            yy: '%d 年',
        },
    });

    return zhHk;

})));


/***/ }),
/* 1497 */
/***/ (function(__unused_webpack_module, __unused_webpack_exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Chinese (Macau) [zh-mo]
//! author : Ben : https://github.com/ben-lin
//! author : Chris Lam : https://github.com/hehachris
//! author : Tan Yuanhong : https://github.com/le0tan

;(function (global, factory) {
    true ? factory(__webpack_require__(1362)) :
   0
}(this, (function (moment) { 'use strict';

    //! moment.js locale configuration

    var zhMo = moment.defineLocale('zh-mo', {
        months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split(
            '_'
        ),
        monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split(
            '_'
        ),
        weekdays: '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
        weekdaysShort: '週日_週一_週二_週三_週四_週五_週六'.split('_'),
        weekdaysMin: '日_一_二_三_四_五_六'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'DD/MM/YYYY',
            LL: 'YYYY年M月D日',
            LLL: 'YYYY年M月D日 HH:mm',
            LLLL: 'YYYY年M月D日dddd HH:mm',
            l: 'D/M/YYYY',
            ll: 'YYYY年M月D日',
            lll: 'YYYY年M月D日 HH:mm',
            llll: 'YYYY年M月D日dddd HH:mm',
        },
        meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === '凌晨' || meridiem === '早上' || meridiem === '上午') {
                return hour;
            } else if (meridiem === '中午') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === '下午' || meridiem === '晚上') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            var hm = hour * 100 + minute;
            if (hm < 600) {
                return '凌晨';
            } else if (hm < 900) {
                return '早上';
            } else if (hm < 1130) {
                return '上午';
            } else if (hm < 1230) {
                return '中午';
            } else if (hm < 1800) {
                return '下午';
            } else {
                return '晚上';
            }
        },
        calendar: {
            sameDay: '[今天] LT',
            nextDay: '[明天] LT',
            nextWeek: '[下]dddd LT',
            lastDay: '[昨天] LT',
            lastWeek: '[上]dddd LT',
            sameElse: 'L',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(日|月|週)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '日';
                case 'M':
                    return number + '月';
                case 'w':
                case 'W':
                    return number + '週';
                default:
                    return number;
            }
        },
        relativeTime: {
            future: '%s內',
            past: '%s前',
            s: '幾秒',
            ss: '%d 秒',
            m: '1 分鐘',
            mm: '%d 分鐘',
            h: '1 小時',
            hh: '%d 小時',
            d: '1 天',
            dd: '%d 天',
            M: '1 個月',
            MM: '%d 個月',
            y: '1 年',
            yy: '%d 年',
        },
    });

    return zhMo;

})));


/***/ }),
/* 1498 */
/***/ (function(__unused_webpack_module, __unused_webpack_exports, __webpack_require__) {

//! moment.js locale configuration
//! locale : Chinese (Taiwan) [zh-tw]
//! author : Ben : https://github.com/ben-lin
//! author : Chris Lam : https://github.com/hehachris

;(function (global, factory) {
    true ? factory(__webpack_require__(1362)) :
   0
}(this, (function (moment) { 'use strict';

    //! moment.js locale configuration

    var zhTw = moment.defineLocale('zh-tw', {
        months: '一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月'.split(
            '_'
        ),
        monthsShort: '1月_2月_3月_4月_5月_6月_7月_8月_9月_10月_11月_12月'.split(
            '_'
        ),
        weekdays: '星期日_星期一_星期二_星期三_星期四_星期五_星期六'.split('_'),
        weekdaysShort: '週日_週一_週二_週三_週四_週五_週六'.split('_'),
        weekdaysMin: '日_一_二_三_四_五_六'.split('_'),
        longDateFormat: {
            LT: 'HH:mm',
            LTS: 'HH:mm:ss',
            L: 'YYYY/MM/DD',
            LL: 'YYYY年M月D日',
            LLL: 'YYYY年M月D日 HH:mm',
            LLLL: 'YYYY年M月D日dddd HH:mm',
            l: 'YYYY/M/D',
            ll: 'YYYY年M月D日',
            lll: 'YYYY年M月D日 HH:mm',
            llll: 'YYYY年M月D日dddd HH:mm',
        },
        meridiemParse: /凌晨|早上|上午|中午|下午|晚上/,
        meridiemHour: function (hour, meridiem) {
            if (hour === 12) {
                hour = 0;
            }
            if (meridiem === '凌晨' || meridiem === '早上' || meridiem === '上午') {
                return hour;
            } else if (meridiem === '中午') {
                return hour >= 11 ? hour : hour + 12;
            } else if (meridiem === '下午' || meridiem === '晚上') {
                return hour + 12;
            }
        },
        meridiem: function (hour, minute, isLower) {
            var hm = hour * 100 + minute;
            if (hm < 600) {
                return '凌晨';
            } else if (hm < 900) {
                return '早上';
            } else if (hm < 1130) {
                return '上午';
            } else if (hm < 1230) {
                return '中午';
            } else if (hm < 1800) {
                return '下午';
            } else {
                return '晚上';
            }
        },
        calendar: {
            sameDay: '[今天] LT',
            nextDay: '[明天] LT',
            nextWeek: '[下]dddd LT',
            lastDay: '[昨天] LT',
            lastWeek: '[上]dddd LT',
            sameElse: 'L',
        },
        dayOfMonthOrdinalParse: /\d{1,2}(日|月|週)/,
        ordinal: function (number, period) {
            switch (period) {
                case 'd':
                case 'D':
                case 'DDD':
                    return number + '日';
                case 'M':
                    return number + '月';
                case 'w':
                case 'W':
                    return number + '週';
                default:
                    return number;
            }
        },
        relativeTime: {
            future: '%s後',
            past: '%s前',
            s: '幾秒',
            ss: '%d 秒',
            m: '1 分鐘',
            mm: '%d 分鐘',
            h: '1 小時',
            hh: '%d 小時',
            d: '1 天',
            dd: '%d 天',
            M: '1 個月',
            MM: '%d 個月',
            y: '1 年',
            yy: '%d 年',
        },
    });

    return zhTw;

})));


/***/ }),
/* 1499 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var moment = module.exports = __webpack_require__(1500);
moment.tz.load(__webpack_require__(1501));


/***/ }),
/* 1500 */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;//! moment-timezone.js
//! version : 0.5.34
//! Copyright (c) JS Foundation and other contributors
//! license : MIT
//! github.com/moment/moment-timezone

(function (root, factory) {
	"use strict";

	/*global define*/
	if ( true && module.exports) {
		module.exports = factory(__webpack_require__(1362)); // Node
	} else if (true) {
		!(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(1362)], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
		__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
		(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));                 // AMD
	} else {}
}(this, function (moment) {
	"use strict";

	// Resolves es6 module loading issue
	if (moment.version === undefined && moment.default) {
		moment = moment.default;
	}

	// Do not load moment-timezone a second time.
	// if (moment.tz !== undefined) {
	// 	logError('Moment Timezone ' + moment.tz.version + ' was already loaded ' + (moment.tz.dataVersion ? 'with data from ' : 'without any data') + moment.tz.dataVersion);
	// 	return moment;
	// }

	var VERSION = "0.5.34",
		zones = {},
		links = {},
		countries = {},
		names = {},
		guesses = {},
		cachedGuess;

	if (!moment || typeof moment.version !== 'string') {
		logError('Moment Timezone requires Moment.js. See https://momentjs.com/timezone/docs/#/use-it/browser/');
	}

	var momentVersion = moment.version.split('.'),
		major = +momentVersion[0],
		minor = +momentVersion[1];

	// Moment.js version check
	if (major < 2 || (major === 2 && minor < 6)) {
		logError('Moment Timezone requires Moment.js >= 2.6.0. You are using Moment.js ' + moment.version + '. See momentjs.com');
	}

	/************************************
		Unpacking
	************************************/

	function charCodeToInt(charCode) {
		if (charCode > 96) {
			return charCode - 87;
		} else if (charCode > 64) {
			return charCode - 29;
		}
		return charCode - 48;
	}

	function unpackBase60(string) {
		var i = 0,
			parts = string.split('.'),
			whole = parts[0],
			fractional = parts[1] || '',
			multiplier = 1,
			num,
			out = 0,
			sign = 1;

		// handle negative numbers
		if (string.charCodeAt(0) === 45) {
			i = 1;
			sign = -1;
		}

		// handle digits before the decimal
		for (i; i < whole.length; i++) {
			num = charCodeToInt(whole.charCodeAt(i));
			out = 60 * out + num;
		}

		// handle digits after the decimal
		for (i = 0; i < fractional.length; i++) {
			multiplier = multiplier / 60;
			num = charCodeToInt(fractional.charCodeAt(i));
			out += num * multiplier;
		}

		return out * sign;
	}

	function arrayToInt (array) {
		for (var i = 0; i < array.length; i++) {
			array[i] = unpackBase60(array[i]);
		}
	}

	function intToUntil (array, length) {
		for (var i = 0; i < length; i++) {
			array[i] = Math.round((array[i - 1] || 0) + (array[i] * 60000)); // minutes to milliseconds
		}

		array[length - 1] = Infinity;
	}

	function mapIndices (source, indices) {
		var out = [], i;

		for (i = 0; i < indices.length; i++) {
			out[i] = source[indices[i]];
		}

		return out;
	}

	function unpack (string) {
		var data = string.split('|'),
			offsets = data[2].split(' '),
			indices = data[3].split(''),
			untils  = data[4].split(' ');

		arrayToInt(offsets);
		arrayToInt(indices);
		arrayToInt(untils);

		intToUntil(untils, indices.length);

		return {
			name       : data[0],
			abbrs      : mapIndices(data[1].split(' '), indices),
			offsets    : mapIndices(offsets, indices),
			untils     : untils,
			population : data[5] | 0
		};
	}

	/************************************
		Zone object
	************************************/

	function Zone (packedString) {
		if (packedString) {
			this._set(unpack(packedString));
		}
	}

	Zone.prototype = {
		_set : function (unpacked) {
			this.name       = unpacked.name;
			this.abbrs      = unpacked.abbrs;
			this.untils     = unpacked.untils;
			this.offsets    = unpacked.offsets;
			this.population = unpacked.population;
		},

		_index : function (timestamp) {
			var target = +timestamp,
				untils = this.untils,
				i;

			for (i = 0; i < untils.length; i++) {
				if (target < untils[i]) {
					return i;
				}
			}
		},

		countries : function () {
			var zone_name = this.name;
			return Object.keys(countries).filter(function (country_code) {
				return countries[country_code].zones.indexOf(zone_name) !== -1;
			});
		},

		parse : function (timestamp) {
			var target  = +timestamp,
				offsets = this.offsets,
				untils  = this.untils,
				max     = untils.length - 1,
				offset, offsetNext, offsetPrev, i;

			for (i = 0; i < max; i++) {
				offset     = offsets[i];
				offsetNext = offsets[i + 1];
				offsetPrev = offsets[i ? i - 1 : i];

				if (offset < offsetNext && tz.moveAmbiguousForward) {
					offset = offsetNext;
				} else if (offset > offsetPrev && tz.moveInvalidForward) {
					offset = offsetPrev;
				}

				if (target < untils[i] - (offset * 60000)) {
					return offsets[i];
				}
			}

			return offsets[max];
		},

		abbr : function (mom) {
			return this.abbrs[this._index(mom)];
		},

		offset : function (mom) {
			logError("zone.offset has been deprecated in favor of zone.utcOffset");
			return this.offsets[this._index(mom)];
		},

		utcOffset : function (mom) {
			return this.offsets[this._index(mom)];
		}
	};

	/************************************
		Country object
	************************************/

	function Country (country_name, zone_names) {
		this.name = country_name;
		this.zones = zone_names;
	}

	/************************************
		Current Timezone
	************************************/

	function OffsetAt(at) {
		var timeString = at.toTimeString();
		var abbr = timeString.match(/\([a-z ]+\)/i);
		if (abbr && abbr[0]) {
			// 17:56:31 GMT-0600 (CST)
			// 17:56:31 GMT-0600 (Central Standard Time)
			abbr = abbr[0].match(/[A-Z]/g);
			abbr = abbr ? abbr.join('') : undefined;
		} else {
			// 17:56:31 CST
			// 17:56:31 GMT+0800 (台北標準時間)
			abbr = timeString.match(/[A-Z]{3,5}/g);
			abbr = abbr ? abbr[0] : undefined;
		}

		if (abbr === 'GMT') {
			abbr = undefined;
		}

		this.at = +at;
		this.abbr = abbr;
		this.offset = at.getTimezoneOffset();
	}

	function ZoneScore(zone) {
		this.zone = zone;
		this.offsetScore = 0;
		this.abbrScore = 0;
	}

	ZoneScore.prototype.scoreOffsetAt = function (offsetAt) {
		this.offsetScore += Math.abs(this.zone.utcOffset(offsetAt.at) - offsetAt.offset);
		if (this.zone.abbr(offsetAt.at).replace(/[^A-Z]/g, '') !== offsetAt.abbr) {
			this.abbrScore++;
		}
	};

	function findChange(low, high) {
		var mid, diff;

		while ((diff = ((high.at - low.at) / 12e4 | 0) * 6e4)) {
			mid = new OffsetAt(new Date(low.at + diff));
			if (mid.offset === low.offset) {
				low = mid;
			} else {
				high = mid;
			}
		}

		return low;
	}

	function userOffsets() {
		var startYear = new Date().getFullYear() - 2,
			last = new OffsetAt(new Date(startYear, 0, 1)),
			offsets = [last],
			change, next, i;

		for (i = 1; i < 48; i++) {
			next = new OffsetAt(new Date(startYear, i, 1));
			if (next.offset !== last.offset) {
				change = findChange(last, next);
				offsets.push(change);
				offsets.push(new OffsetAt(new Date(change.at + 6e4)));
			}
			last = next;
		}

		for (i = 0; i < 4; i++) {
			offsets.push(new OffsetAt(new Date(startYear + i, 0, 1)));
			offsets.push(new OffsetAt(new Date(startYear + i, 6, 1)));
		}

		return offsets;
	}

	function sortZoneScores (a, b) {
		if (a.offsetScore !== b.offsetScore) {
			return a.offsetScore - b.offsetScore;
		}
		if (a.abbrScore !== b.abbrScore) {
			return a.abbrScore - b.abbrScore;
		}
		if (a.zone.population !== b.zone.population) {
			return b.zone.population - a.zone.population;
		}
		return b.zone.name.localeCompare(a.zone.name);
	}

	function addToGuesses (name, offsets) {
		var i, offset;
		arrayToInt(offsets);
		for (i = 0; i < offsets.length; i++) {
			offset = offsets[i];
			guesses[offset] = guesses[offset] || {};
			guesses[offset][name] = true;
		}
	}

	function guessesForUserOffsets (offsets) {
		var offsetsLength = offsets.length,
			filteredGuesses = {},
			out = [],
			i, j, guessesOffset;

		for (i = 0; i < offsetsLength; i++) {
			guessesOffset = guesses[offsets[i].offset] || {};
			for (j in guessesOffset) {
				if (guessesOffset.hasOwnProperty(j)) {
					filteredGuesses[j] = true;
				}
			}
		}

		for (i in filteredGuesses) {
			if (filteredGuesses.hasOwnProperty(i)) {
				out.push(names[i]);
			}
		}

		return out;
	}

	function rebuildGuess () {

		// use Intl API when available and returning valid time zone
		try {
			var intlName = Intl.DateTimeFormat().resolvedOptions().timeZone;
			if (intlName && intlName.length > 3) {
				var name = names[normalizeName(intlName)];
				if (name) {
					return name;
				}
				logError("Moment Timezone found " + intlName + " from the Intl api, but did not have that data loaded.");
			}
		} catch (e) {
			// Intl unavailable, fall back to manual guessing.
		}

		var offsets = userOffsets(),
			offsetsLength = offsets.length,
			guesses = guessesForUserOffsets(offsets),
			zoneScores = [],
			zoneScore, i, j;

		for (i = 0; i < guesses.length; i++) {
			zoneScore = new ZoneScore(getZone(guesses[i]), offsetsLength);
			for (j = 0; j < offsetsLength; j++) {
				zoneScore.scoreOffsetAt(offsets[j]);
			}
			zoneScores.push(zoneScore);
		}

		zoneScores.sort(sortZoneScores);

		return zoneScores.length > 0 ? zoneScores[0].zone.name : undefined;
	}

	function guess (ignoreCache) {
		if (!cachedGuess || ignoreCache) {
			cachedGuess = rebuildGuess();
		}
		return cachedGuess;
	}

	/************************************