comparison program/js/jstz.min.js @ 8:bf99236cc5cd default tip

try to recover from upgrade fail
author Charlie Root
date Sat, 29 Dec 2018 07:07:34 -0500
parents 4681f974d28b
children
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7:65fd7d441cf1 8:bf99236cc5cd
1 /** 1 /**
2 * jsTimezoneDetect - v1.0.6 2 * This script gives you the zone info key representing your device's time zone setting.
3 * 3 *
4 * @source https://bitbucket.org/pellepim/jstimezonedetect/raw/6c427658686c664da52c6a87cd62ec910baab276/dist/jstz.js 4 * @name jsTimezoneDetect
5 * @version 1.0.5
6 * @author Jon Nylander
7 * @license MIT License - http://www.opensource.org/licenses/mit-license.php
5 * 8 *
6 * @licstart The following is the entire license notice for the 9 * For usage and examples, visit:
7 * JavaScript code in this file. 10 * http://pellepim.bitbucket.org/jstz/
8 * 11 *
9 * Copyright (c) Jon Nylander 12 * Copyright (c) Jon Nylander
10 *
11 * Licensed under the MIT licenses
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining
14 * a copy of this software and associated documentation files (the
15 * "Software"), to deal in the Software without restriction, including
16 * without limitation the rights to use, copy, modify, merge, publish,
17 * distribute, sublicense, and/or sell copies of the Software, and to
18 * permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be
22 * included in all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 *
32 * @licend The above is the entire license notice
33 * for the JavaScript code in this file.
34 */ 13 */
35 /* jstz.min.js Version: 1.0.6 Build date: 2015-11-04 */ 14
36 !function(e){var a=function(){"use strict";var e="s",s={DAY:864e5,HOUR:36e5,MINUTE:6e4,SECOND:1e3,BASELINE_YEAR:2014,MAX_SCORE:864e6,AMBIGUITIES:{"America/Denver":["America/Mazatlan"],"Europe/London":["Africa/Casablanca"],"America/Chicago":["America/Mexico_City"],"America/Asuncion":["America/Campo_Grande","America/Santiago"],"America/Montevideo":["America/Sao_Paulo","America/Santiago"],"Asia/Beirut":["Asia/Amman","Asia/Jerusalem","Europe/Helsinki","Asia/Damascus","Africa/Cairo","Asia/Gaza","Europe/Minsk"],"Pacific/Auckland":["Pacific/Fiji"],"America/Los_Angeles":["America/Santa_Isabel"],"America/New_York":["America/Havana"],"America/Halifax":["America/Goose_Bay"],"America/Godthab":["America/Miquelon"],"Asia/Dubai":["Asia/Yerevan"],"Asia/Jakarta":["Asia/Krasnoyarsk"],"Asia/Shanghai":["Asia/Irkutsk","Australia/Perth"],"Australia/Sydney":["Australia/Lord_Howe"],"Asia/Tokyo":["Asia/Yakutsk"],"Asia/Dhaka":["Asia/Omsk"],"Asia/Baku":["Asia/Yerevan"],"Australia/Brisbane":["Asia/Vladivostok"],"Pacific/Noumea":["Asia/Vladivostok"],"Pacific/Majuro":["Asia/Kamchatka","Pacific/Fiji"],"Pacific/Tongatapu":["Pacific/Apia"],"Asia/Baghdad":["Europe/Minsk","Europe/Moscow"],"Asia/Karachi":["Asia/Yekaterinburg"],"Africa/Johannesburg":["Asia/Gaza","Africa/Cairo"]}},i=function(e){var a=-e.getTimezoneOffset();return null!==a?a:0},r=function(){var a=i(new Date(s.BASELINE_YEAR,0,2)),r=i(new Date(s.BASELINE_YEAR,5,2)),n=a-r;return 0>n?a+",1":n>0?r+",1,"+e:a+",0"},n=function(){var e,a;if("undefined"!=typeof Intl&&"undefined"!=typeof Intl.DateTimeFormat&&(e=Intl.DateTimeFormat(),"undefined"!=typeof e&&"undefined"!=typeof e.resolvedOptions))return a=e.resolvedOptions().timeZone,a&&(a.indexOf("/")>-1||"UTC"===a)?a:void 0},o=function(e){for(var a=new Date(e,0,1,0,0,1,0).getTime(),s=new Date(e,12,31,23,59,59).getTime(),i=a,r=new Date(i).getTimezoneOffset(),n=null,o=null;s-864e5>i;){var t=new Date(i),A=t.getTimezoneOffset();A!==r&&(r>A&&(n=t),A>r&&(o=t),r=A),i+=864e5}return n&&o?{s:u(n).getTime(),e:u(o).getTime()}:!1},u=function l(e,a,i){"undefined"==typeof a&&(a=s.DAY,i=s.HOUR);for(var r=new Date(e.getTime()-a).getTime(),n=e.getTime()+a,o=new Date(r).getTimezoneOffset(),u=r,t=null;n-i>u;){var A=new Date(u),c=A.getTimezoneOffset();if(c!==o){t=A;break}u+=i}return a===s.DAY?l(t,s.HOUR,s.MINUTE):a===s.HOUR?l(t,s.MINUTE,s.SECOND):t},t=function(e,a,s,i){if("N/A"!==s)return s;if("Asia/Beirut"===a){if("Africa/Cairo"===i.name&&13983768e5===e[6].s&&14116788e5===e[6].e)return 0;if("Asia/Jerusalem"===i.name&&13959648e5===e[6].s&&14118588e5===e[6].e)return 0}else if("America/Santiago"===a){if("America/Asuncion"===i.name&&14124816e5===e[6].s&&1397358e6===e[6].e)return 0;if("America/Campo_Grande"===i.name&&14136912e5===e[6].s&&13925196e5===e[6].e)return 0}else if("America/Montevideo"===a){if("America/Sao_Paulo"===i.name&&14136876e5===e[6].s&&1392516e6===e[6].e)return 0}else if("Pacific/Auckland"===a&&"Pacific/Fiji"===i.name&&14142456e5===e[6].s&&13961016e5===e[6].e)return 0;return s},A=function(e,i){for(var r=function(a){for(var r=0,n=0;n<e.length;n++)if(a.rules[n]&&e[n]){if(!(e[n].s>=a.rules[n].s&&e[n].e<=a.rules[n].e)){r="N/A";break}if(r=0,r+=Math.abs(e[n].s-a.rules[n].s),r+=Math.abs(a.rules[n].e-e[n].e),r>s.MAX_SCORE){r="N/A";break}}return r=t(e,i,r,a)},n={},o=a.olson.dst_rules.zones,u=o.length,A=s.AMBIGUITIES[i],c=0;u>c;c++){var m=o[c],l=r(o[c]);"N/A"!==l&&(n[m.name]=l)}for(var f in n)if(n.hasOwnProperty(f))for(var d=0;d<A.length;d++)if(A[d]===f)return f;return i},c=function(e){var s=function(){for(var e=[],s=0;s<a.olson.dst_rules.years.length;s++){var i=o(a.olson.dst_rules.years[s]);e.push(i)}return e},i=function(e){for(var a=0;a<e.length;a++)if(e[a]!==!1)return!0;return!1},r=s(),n=i(r);return n?A(r,e):e},m=function(){var e=n();return e||(e=a.olson.timezones[r()],"undefined"!=typeof s.AMBIGUITIES[e]&&(e=c(e))),{name:function(){return e}}};return{determine:m}}();a.olson=a.olson||{},a.olson.timezones={"-720,0":"Etc/GMT+12","-660,0":"Pacific/Pago_Pago","-660,1,s":"Pacific/Apia","-600,1":"America/Adak","-600,0":"Pacific/Honolulu","-570,0":"Pacific/Marquesas","-540,0":"Pacific/Gambier","-540,1":"America/Anchorage","-480,1":"America/Los_Angeles","-480,0":"Pacific/Pitcairn","-420,0":"America/Phoenix","-420,1":"America/Denver","-360,0":"America/Guatemala","-360,1":"America/Chicago","-360,1,s":"Pacific/Easter","-300,0":"America/Bogota","-300,1":"America/New_York","-270,0":"America/Caracas","-240,1":"America/Halifax","-240,0":"America/Santo_Domingo","-240,1,s":"America/Asuncion","-210,1":"America/St_Johns","-180,1":"America/Godthab","-180,0":"America/Argentina/Buenos_Aires","-180,1,s":"America/Montevideo","-120,0":"America/Noronha","-120,1":"America/Noronha","-60,1":"Atlantic/Azores","-60,0":"Atlantic/Cape_Verde","0,0":"UTC","0,1":"Europe/London","60,1":"Europe/Berlin","60,0":"Africa/Lagos","60,1,s":"Africa/Windhoek","120,1":"Asia/Beirut","120,0":"Africa/Johannesburg","180,0":"Asia/Baghdad","180,1":"Europe/Moscow","210,1":"Asia/Tehran","240,0":"Asia/Dubai","240,1":"Asia/Baku","270,0":"Asia/Kabul","300,1":"Asia/Yekaterinburg","300,0":"Asia/Karachi","330,0":"Asia/Kolkata","345,0":"Asia/Kathmandu","360,0":"Asia/Dhaka","360,1":"Asia/Omsk","390,0":"Asia/Rangoon","420,1":"Asia/Krasnoyarsk","420,0":"Asia/Jakarta","480,0":"Asia/Shanghai","480,1":"Asia/Irkutsk","525,0":"Australia/Eucla","525,1,s":"Australia/Eucla","540,1":"Asia/Yakutsk","540,0":"Asia/Tokyo","570,0":"Australia/Darwin","570,1,s":"Australia/Adelaide","600,0":"Australia/Brisbane","600,1":"Asia/Vladivostok","600,1,s":"Australia/Sydney","630,1,s":"Australia/Lord_Howe","660,1":"Asia/Kamchatka","660,0":"Pacific/Noumea","690,0":"Pacific/Norfolk","720,1,s":"Pacific/Auckland","720,0":"Pacific/Majuro","765,1,s":"Pacific/Chatham","780,0":"Pacific/Tongatapu","780,1,s":"Pacific/Apia","840,0":"Pacific/Kiritimati"},a.olson.dst_rules={years:[2008,2009,2010,2011,2012,2013,2014],zones:[{name:"Africa/Cairo",rules:[{e:12199572e5,s:12090744e5},{e:1250802e6,s:1240524e6},{e:12858804e5,s:12840696e5},!1,!1,!1,{e:14116788e5,s:1406844e6}]},{name:"Africa/Casablanca",rules:[{e:12202236e5,s:12122784e5},{e:12508092e5,s:12438144e5},{e:1281222e6,s:12727584e5},{e:13120668e5,s:13017888e5},{e:13489704e5,s:1345428e6},{e:13828392e5,s:13761e8},{e:14142888e5,s:14069448e5}]},{name:"America/Asuncion",rules:[{e:12050316e5,s:12243888e5},{e:12364812e5,s:12558384e5},{e:12709548e5,s:12860784e5},{e:13024044e5,s:1317528e6},{e:1333854e6,s:13495824e5},{e:1364094e6,s:1381032e6},{e:13955436e5,s:14124816e5}]},{name:"America/Campo_Grande",rules:[{e:12032172e5,s:12243888e5},{e:12346668e5,s:12558384e5},{e:12667212e5,s:1287288e6},{e:12981708e5,s:13187376e5},{e:13302252e5,s:1350792e6},{e:136107e7,s:13822416e5},{e:13925196e5,s:14136912e5}]},{name:"America/Goose_Bay",rules:[{e:122559486e4,s:120503526e4},{e:125704446e4,s:123648486e4},{e:128909886e4,s:126853926e4},{e:13205556e5,s:129998886e4},{e:13520052e5,s:13314456e5},{e:13834548e5,s:13628952e5},{e:14149044e5,s:13943448e5}]},{name:"America/Havana",rules:[{e:12249972e5,s:12056436e5},{e:12564468e5,s:12364884e5},{e:12885012e5,s:12685428e5},{e:13211604e5,s:13005972e5},{e:13520052e5,s:13332564e5},{e:13834548e5,s:13628916e5},{e:14149044e5,s:13943412e5}]},{name:"America/Mazatlan",rules:[{e:1225008e6,s:12074724e5},{e:12564576e5,s:1238922e6},{e:1288512e6,s:12703716e5},{e:13199616e5,s:13018212e5},{e:13514112e5,s:13332708e5},{e:13828608e5,s:13653252e5},{e:14143104e5,s:13967748e5}]},{name:"America/Mexico_City",rules:[{e:12250044e5,s:12074688e5},{e:1256454e6,s:12389184e5},{e:12885084e5,s:1270368e6},{e:1319958e6,s:13018176e5},{e:13514076e5,s:13332672e5},{e:13828572e5,s:13653216e5},{e:14143068e5,s:13967712e5}]},{name:"America/Miquelon",rules:[{e:12255984e5,s:12050388e5},{e:1257048e6,s:12364884e5},{e:12891024e5,s:12685428e5},{e:1320552e6,s:12999924e5},{e:13520016e5,s:1331442e6},{e:13834512e5,s:13628916e5},{e:14149008e5,s:13943412e5}]},{name:"America/Santa_Isabel",rules:[{e:12250116e5,s:1207476e6},{e:12564612e5,s:12389256e5},{e:12885156e5,s:12703752e5},{e:13199652e5,s:13018248e5},{e:13514148e5,s:13332744e5},{e:13828644e5,s:13653288e5},{e:1414314e6,s:13967784e5}]},{name:"America/Santiago",rules:[{e:1206846e6,s:1223784e6},{e:1237086e6,s:12552336e5},{e:127035e7,s:12866832e5},{e:13048236e5,s:13138992e5},{e:13356684e5,s:13465584e5},{e:1367118e6,s:13786128e5},{e:13985676e5,s:14100624e5}]},{name:"America/Sao_Paulo",rules:[{e:12032136e5,s:12243852e5},{e:12346632e5,s:12558348e5},{e:12667176e5,s:12872844e5},{e:12981672e5,s:1318734e6},{e:13302216e5,s:13507884e5},{e:13610664e5,s:1382238e6},{e:1392516e6,s:14136876e5}]},{name:"Asia/Amman",rules:[{e:1225404e6,s:12066552e5},{e:12568536e5,s:12381048e5},{e:12883032e5,s:12695544e5},{e:13197528e5,s:13016088e5},!1,!1,{e:14147064e5,s:13959576e5}]},{name:"Asia/Damascus",rules:[{e:12254868e5,s:120726e7},{e:125685e7,s:12381048e5},{e:12882996e5,s:12701592e5},{e:13197492e5,s:13016088e5},{e:13511988e5,s:13330584e5},{e:13826484e5,s:1364508e6},{e:14147028e5,s:13959576e5}]},{name:"Asia/Dubai",rules:[!1,!1,!1,!1,!1,!1,!1]},{name:"Asia/Gaza",rules:[{e:12199572e5,s:12066552e5},{e:12520152e5,s:12381048e5},{e:1281474e6,s:126964086e4},{e:1312146e6,s:130160886e4},{e:13481784e5,s:13330584e5},{e:13802292e5,s:1364508e6},{e:1414098e6,s:13959576e5}]},{name:"Asia/Irkutsk",rules:[{e:12249576e5,s:12068136e5},{e:12564072e5,s:12382632e5},{e:12884616e5,s:12697128e5},!1,!1,!1,!1]},{name:"Asia/Jerusalem",rules:[{e:12231612e5,s:12066624e5},{e:1254006e6,s:1238112e6},{e:1284246e6,s:12695616e5},{e:131751e7,s:1301616e6},{e:13483548e5,s:13330656e5},{e:13828284e5,s:13645152e5},{e:1414278e6,s:13959648e5}]},{name:"Asia/Kamchatka",rules:[{e:12249432e5,s:12067992e5},{e:12563928e5,s:12382488e5},{e:12884508e5,s:12696984e5},!1,!1,!1,!1]},{name:"Asia/Krasnoyarsk",rules:[{e:12249612e5,s:12068172e5},{e:12564108e5,s:12382668e5},{e:12884652e5,s:12697164e5},!1,!1,!1,!1]},{name:"Asia/Omsk",rules:[{e:12249648e5,s:12068208e5},{e:12564144e5,s:12382704e5},{e:12884688e5,s:126972e7},!1,!1,!1,!1]},{name:"Asia/Vladivostok",rules:[{e:12249504e5,s:12068064e5},{e:12564e8,s:1238256e6},{e:12884544e5,s:12697056e5},!1,!1,!1,!1]},{name:"Asia/Yakutsk",rules:[{e:1224954e6,s:120681e7},{e:12564036e5,s:12382596e5},{e:1288458e6,s:12697092e5},!1,!1,!1,!1]},{name:"Asia/Yekaterinburg",rules:[{e:12249684e5,s:12068244e5},{e:1256418e6,s:1238274e6},{e:12884724e5,s:12697236e5},!1,!1,!1,!1]},{name:"Asia/Yerevan",rules:[{e:1224972e6,s:1206828e6},{e:12564216e5,s:12382776e5},{e:1288476e6,s:12697272e5},{e:13199256e5,s:13011768e5},!1,!1,!1]},{name:"Australia/Lord_Howe",rules:[{e:12074076e5,s:12231342e5},{e:12388572e5,s:12545838e5},{e:12703068e5,s:12860334e5},{e:13017564e5,s:1317483e6},{e:1333206e6,s:13495374e5},{e:13652604e5,s:1380987e6},{e:139671e7,s:14124366e5}]},{name:"Australia/Perth",rules:[{e:12068136e5,s:12249576e5},!1,!1,!1,!1,!1,!1]},{name:"Europe/Helsinki",rules:[{e:12249828e5,s:12068388e5},{e:12564324e5,s:12382884e5},{e:12884868e5,s:1269738e6},{e:13199364e5,s:13011876e5},{e:1351386e6,s:13326372e5},{e:13828356e5,s:13646916e5},{e:14142852e5,s:13961412e5}]},{name:"Europe/Minsk",rules:[{e:12249792e5,s:12068352e5},{e:12564288e5,s:12382848e5},{e:12884832e5,s:12697344e5},!1,!1,!1,!1]},{name:"Europe/Moscow",rules:[{e:12249756e5,s:12068316e5},{e:12564252e5,s:12382812e5},{e:12884796e5,s:12697308e5},!1,!1,!1,!1]},{name:"Pacific/Apia",rules:[!1,!1,!1,{e:13017528e5,s:13168728e5},{e:13332024e5,s:13489272e5},{e:13652568e5,s:13803768e5},{e:13967064e5,s:14118264e5}]},{name:"Pacific/Fiji",rules:[!1,!1,{e:12696984e5,s:12878424e5},{e:13271544e5,s:1319292e6},{e:1358604e6,s:13507416e5},{e:139005e7,s:1382796e6},{e:14215032e5,s:14148504e5}]},{name:"Europe/London",rules:[{e:12249828e5,s:12068388e5},{e:12564324e5,s:12382884e5},{e:12884868e5,s:1269738e6},{e:13199364e5,s:13011876e5},{e:1351386e6,s:13326372e5},{e:13828356e5,s:13646916e5},{e:14142852e5,s:13961412e5}]}]},"undefined"!=typeof module&&"undefined"!=typeof module.exports?module.exports=a:"undefined"!=typeof define&&null!==define&&null!=define.amd?define([],function(){return a}):"undefined"==typeof e?window.jstz=a:e.jstz=a}(); 15 /*jslint undef: true */
16 /*global console, exports*/
17
18 (function(root) {
19 /**
20 * Namespace to hold all the code for timezone detection.
21 */
22 var jstz = (function () {
23 'use strict';
24 var HEMISPHERE_SOUTH = 's',
25
26 /**
27 * Gets the offset in minutes from UTC for a certain date.
28 * @param {Date} date
29 * @returns {Number}
30 */
31 get_date_offset = function (date) {
32 var offset = -date.getTimezoneOffset();
33 return (offset !== null ? offset : 0);
34 },
35
36 get_date = function (year, month, date) {
37 var d = new Date();
38 if (year !== undefined) {
39 d.setFullYear(year);
40 }
41 d.setMonth(month);
42 d.setDate(date);
43 return d;
44 },
45
46 get_january_offset = function (year) {
47 return get_date_offset(get_date(year, 0 ,2));
48 },
49
50 get_june_offset = function (year) {
51 return get_date_offset(get_date(year, 5, 2));
52 },
53
54 /**
55 * Private method.
56 * Checks whether a given date is in daylight saving time.
57 * If the date supplied is after august, we assume that we're checking
58 * for southern hemisphere DST.
59 * @param {Date} date
60 * @returns {Boolean}
61 */
62 date_is_dst = function (date) {
63 var is_southern = date.getMonth() > 7,
64 base_offset = is_southern ? get_june_offset(date.getFullYear()) :
65 get_january_offset(date.getFullYear()),
66 date_offset = get_date_offset(date),
67 is_west = base_offset < 0,
68 dst_offset = base_offset - date_offset;
69
70 if (!is_west && !is_southern) {
71 return dst_offset < 0;
72 }
73
74 return dst_offset !== 0;
75 },
76
77 /**
78 * This function does some basic calculations to create information about
79 * the user's timezone. It uses REFERENCE_YEAR as a solid year for which
80 * the script has been tested rather than depend on the year set by the
81 * client device.
82 *
83 * Returns a key that can be used to do lookups in jstz.olson.timezones.
84 * eg: "720,1,2".
85 *
86 * @returns {String}
87 */
88
89 lookup_key = function () {
90 var january_offset = get_january_offset(),
91 june_offset = get_june_offset(),
92 diff = january_offset - june_offset;
93
94 if (diff < 0) {
95 return january_offset + ",1";
96 } else if (diff > 0) {
97 return june_offset + ",1," + HEMISPHERE_SOUTH;
98 }
99
100 return january_offset + ",0";
101 },
102
103 /**
104 * Uses get_timezone_info() to formulate a key to use in the olson.timezones dictionary.
105 *
106 * Returns a primitive object on the format:
107 * {'timezone': TimeZone, 'key' : 'the key used to find the TimeZone object'}
108 *
109 * @returns Object
110 */
111 determine = function () {
112 var key = lookup_key();
113 return new jstz.TimeZone(jstz.olson.timezones[key]);
114 },
115
116 /**
117 * This object contains information on when daylight savings starts for
118 * different timezones.
119 *
120 * The list is short for a reason. Often we do not have to be very specific
121 * to single out the correct timezone. But when we do, this list comes in
122 * handy.
123 *
124 * Each value is a date denoting when daylight savings starts for that timezone.
125 */
126 dst_start_for = function (tz_name) {
127
128 var ru_pre_dst_change = new Date(2010, 6, 15, 1, 0, 0, 0), // In 2010 Russia had DST, this allows us to detect Russia :)
129 dst_starts = {
130 'America/Denver': new Date(2011, 2, 13, 3, 0, 0, 0),
131 'America/Mazatlan': new Date(2011, 3, 3, 3, 0, 0, 0),
132 'America/Chicago': new Date(2011, 2, 13, 3, 0, 0, 0),
133 'America/Mexico_City': new Date(2011, 3, 3, 3, 0, 0, 0),
134 'America/Asuncion': new Date(2012, 9, 7, 3, 0, 0, 0),
135 'America/Santiago': new Date(2012, 9, 3, 3, 0, 0, 0),
136 'America/Campo_Grande': new Date(2012, 9, 21, 5, 0, 0, 0),
137 'America/Montevideo': new Date(2011, 9, 2, 3, 0, 0, 0),
138 'America/Sao_Paulo': new Date(2011, 9, 16, 5, 0, 0, 0),
139 'America/Los_Angeles': new Date(2011, 2, 13, 8, 0, 0, 0),
140 'America/Santa_Isabel': new Date(2011, 3, 5, 8, 0, 0, 0),
141 'America/Havana': new Date(2012, 2, 10, 2, 0, 0, 0),
142 'America/New_York': new Date(2012, 2, 10, 7, 0, 0, 0),
143 'Europe/Helsinki': new Date(2013, 2, 31, 5, 0, 0, 0),
144 'Pacific/Auckland': new Date(2011, 8, 26, 7, 0, 0, 0),
145 'America/Halifax': new Date(2011, 2, 13, 6, 0, 0, 0),
146 'America/Goose_Bay': new Date(2011, 2, 13, 2, 1, 0, 0),
147 'America/Miquelon': new Date(2011, 2, 13, 5, 0, 0, 0),
148 'America/Godthab': new Date(2011, 2, 27, 1, 0, 0, 0),
149 'Europe/Moscow': ru_pre_dst_change,
150 'Asia/Amman': new Date(2013, 2, 29, 1, 0, 0, 0),
151 'Asia/Beirut': new Date(2013, 2, 31, 2, 0, 0, 0),
152 'Asia/Damascus': new Date(2013, 3, 6, 2, 0, 0, 0),
153 'Asia/Jerusalem': new Date(2013, 2, 29, 5, 0, 0, 0),
154 'Asia/Yekaterinburg': ru_pre_dst_change,
155 'Asia/Omsk': ru_pre_dst_change,
156 'Asia/Krasnoyarsk': ru_pre_dst_change,
157 'Asia/Irkutsk': ru_pre_dst_change,
158 'Asia/Yakutsk': ru_pre_dst_change,
159 'Asia/Vladivostok': ru_pre_dst_change,
160 'Asia/Baku': new Date(2013, 2, 31, 4, 0, 0),
161 'Asia/Yerevan': new Date(2013, 2, 31, 3, 0, 0),
162 'Asia/Kamchatka': ru_pre_dst_change,
163 'Asia/Gaza': new Date(2010, 2, 27, 4, 0, 0),
164 'Africa/Cairo': new Date(2010, 4, 1, 3, 0, 0),
165 'Europe/Minsk': ru_pre_dst_change,
166 'Pacific/Apia': new Date(2010, 10, 1, 1, 0, 0, 0),
167 'Pacific/Fiji': new Date(2010, 11, 1, 0, 0, 0),
168 'Australia/Perth': new Date(2008, 10, 1, 1, 0, 0, 0)
169 };
170
171 return dst_starts[tz_name];
172 };
173
174 return {
175 determine: determine,
176 date_is_dst: date_is_dst,
177 dst_start_for: dst_start_for
178 };
179 }());
180
181 /**
182 * Simple object to perform ambiguity check and to return name of time zone.
183 */
184 jstz.TimeZone = function (tz_name) {
185 'use strict';
186 /**
187 * The keys in this object are timezones that we know may be ambiguous after
188 * a preliminary scan through the olson_tz object.
189 *
190 * The array of timezones to compare must be in the order that daylight savings
191 * starts for the regions.
192 */
193 var AMBIGUITIES = {
194 'America/Denver': ['America/Denver', 'America/Mazatlan'],
195 'America/Chicago': ['America/Chicago', 'America/Mexico_City'],
196 'America/Santiago': ['America/Santiago', 'America/Asuncion', 'America/Campo_Grande'],
197 'America/Montevideo': ['America/Montevideo', 'America/Sao_Paulo'],
198 'Asia/Beirut': ['Asia/Amman', 'Asia/Jerusalem', 'Asia/Beirut', 'Europe/Helsinki','Asia/Damascus'],
199 'Pacific/Auckland': ['Pacific/Auckland', 'Pacific/Fiji'],
200 'America/Los_Angeles': ['America/Los_Angeles', 'America/Santa_Isabel'],
201 'America/New_York': ['America/Havana', 'America/New_York'],
202 'America/Halifax': ['America/Goose_Bay', 'America/Halifax'],
203 'America/Godthab': ['America/Miquelon', 'America/Godthab'],
204 'Asia/Dubai': ['Europe/Moscow'],
205 'Asia/Dhaka': ['Asia/Yekaterinburg'],
206 'Asia/Jakarta': ['Asia/Omsk'],
207 'Asia/Shanghai': ['Asia/Krasnoyarsk', 'Australia/Perth'],
208 'Asia/Tokyo': ['Asia/Irkutsk'],
209 'Australia/Brisbane': ['Asia/Yakutsk'],
210 'Pacific/Noumea': ['Asia/Vladivostok'],
211 'Pacific/Tarawa': ['Asia/Kamchatka', 'Pacific/Fiji'],
212 'Pacific/Tongatapu': ['Pacific/Apia'],
213 'Asia/Baghdad': ['Europe/Minsk'],
214 'Asia/Baku': ['Asia/Yerevan','Asia/Baku'],
215 'Africa/Johannesburg': ['Asia/Gaza', 'Africa/Cairo']
216 },
217
218 timezone_name = tz_name,
219
220 /**
221 * Checks if a timezone has possible ambiguities. I.e timezones that are similar.
222 *
223 * For example, if the preliminary scan determines that we're in America/Denver.
224 * We double check here that we're really there and not in America/Mazatlan.
225 *
226 * This is done by checking known dates for when daylight savings start for different
227 * timezones during 2010 and 2011.
228 */
229 ambiguity_check = function () {
230 var ambiguity_list = AMBIGUITIES[timezone_name],
231 length = ambiguity_list.length,
232 i = 0,
233 tz = ambiguity_list[0];
234
235 for (; i < length; i += 1) {
236 tz = ambiguity_list[i];
237
238 if (jstz.date_is_dst(jstz.dst_start_for(tz))) {
239 timezone_name = tz;
240 return;
241 }
242 }
243 },
244
245 /**
246 * Checks if it is possible that the timezone is ambiguous.
247 */
248 is_ambiguous = function () {
249 return typeof (AMBIGUITIES[timezone_name]) !== 'undefined';
250 };
251
252 if (is_ambiguous()) {
253 ambiguity_check();
254 }
255
256 return {
257 name: function () {
258 return timezone_name;
259 }
260 };
261 };
262
263 jstz.olson = {};
264
265 /*
266 * The keys in this dictionary are comma separated as such:
267 *
268 * First the offset compared to UTC time in minutes.
269 *
270 * Then a flag which is 0 if the timezone does not take daylight savings into account and 1 if it
271 * does.
272 *
273 * Thirdly an optional 's' signifies that the timezone is in the southern hemisphere,
274 * only interesting for timezones with DST.
275 *
276 * The mapped arrays is used for constructing the jstz.TimeZone object from within
277 * jstz.determine_timezone();
278 */
279 jstz.olson.timezones = {
280 '-720,0' : 'Pacific/Majuro',
281 '-660,0' : 'Pacific/Pago_Pago',
282 '-600,1' : 'America/Adak',
283 '-600,0' : 'Pacific/Honolulu',
284 '-570,0' : 'Pacific/Marquesas',
285 '-540,0' : 'Pacific/Gambier',
286 '-540,1' : 'America/Anchorage',
287 '-480,1' : 'America/Los_Angeles',
288 '-480,0' : 'Pacific/Pitcairn',
289 '-420,0' : 'America/Phoenix',
290 '-420,1' : 'America/Denver',
291 '-360,0' : 'America/Guatemala',
292 '-360,1' : 'America/Chicago',
293 '-360,1,s' : 'Pacific/Easter',
294 '-300,0' : 'America/Bogota',
295 '-300,1' : 'America/New_York',
296 '-270,0' : 'America/Caracas',
297 '-240,1' : 'America/Halifax',
298 '-240,0' : 'America/Santo_Domingo',
299 '-240,1,s' : 'America/Santiago',
300 '-210,1' : 'America/St_Johns',
301 '-180,1' : 'America/Godthab',
302 '-180,0' : 'America/Argentina/Buenos_Aires',
303 '-180,1,s' : 'America/Montevideo',
304 '-120,0' : 'America/Noronha',
305 '-120,1' : 'America/Noronha',
306 '-60,1' : 'Atlantic/Azores',
307 '-60,0' : 'Atlantic/Cape_Verde',
308 '0,0' : 'UTC',
309 '0,1' : 'Europe/London',
310 '60,1' : 'Europe/Berlin',
311 '60,0' : 'Africa/Lagos',
312 '60,1,s' : 'Africa/Windhoek',
313 '120,1' : 'Asia/Beirut',
314 '120,0' : 'Africa/Johannesburg',
315 '180,0' : 'Asia/Baghdad',
316 '180,1' : 'Europe/Moscow',
317 '210,1' : 'Asia/Tehran',
318 '240,0' : 'Asia/Dubai',
319 '240,1' : 'Asia/Baku',
320 '270,0' : 'Asia/Kabul',
321 '300,1' : 'Asia/Yekaterinburg',
322 '300,0' : 'Asia/Karachi',
323 '330,0' : 'Asia/Kolkata',
324 '345,0' : 'Asia/Kathmandu',
325 '360,0' : 'Asia/Dhaka',
326 '360,1' : 'Asia/Omsk',
327 '390,0' : 'Asia/Rangoon',
328 '420,1' : 'Asia/Krasnoyarsk',
329 '420,0' : 'Asia/Jakarta',
330 '480,0' : 'Asia/Shanghai',
331 '480,1' : 'Asia/Irkutsk',
332 '525,0' : 'Australia/Eucla',
333 '525,1,s' : 'Australia/Eucla',
334 '540,1' : 'Asia/Yakutsk',
335 '540,0' : 'Asia/Tokyo',
336 '570,0' : 'Australia/Darwin',
337 '570,1,s' : 'Australia/Adelaide',
338 '600,0' : 'Australia/Brisbane',
339 '600,1' : 'Asia/Vladivostok',
340 '600,1,s' : 'Australia/Sydney',
341 '630,1,s' : 'Australia/Lord_Howe',
342 '660,1' : 'Asia/Kamchatka',
343 '660,0' : 'Pacific/Noumea',
344 '690,0' : 'Pacific/Norfolk',
345 '720,1,s' : 'Pacific/Auckland',
346 '720,0' : 'Pacific/Tarawa',
347 '765,1,s' : 'Pacific/Chatham',
348 '780,0' : 'Pacific/Tongatapu',
349 '780,1,s' : 'Pacific/Apia',
350 '840,0' : 'Pacific/Kiritimati'
351 };
352
353 if (typeof exports !== 'undefined') {
354 exports.jstz = jstz;
355 } else {
356 root.jstz = jstz;
357 }
358 })(this);