diff program/js/jstz.min.js @ 8:bf99236cc5cd

try to recover from upgrade fail
author Charlie Root
date Sat, 29 Dec 2018 07:07:34 -0500
parents 4681f974d28b
children
line wrap: on
line diff
--- a/program/js/jstz.min.js	Sat Dec 29 06:32:49 2018 -0500
+++ b/program/js/jstz.min.js	Sat Dec 29 07:07:34 2018 -0500
@@ -1,36 +1,358 @@
-/**
- * jsTimezoneDetect - v1.0.6
- *
- * @source https://bitbucket.org/pellepim/jstimezonedetect/raw/6c427658686c664da52c6a87cd62ec910baab276/dist/jstz.js
- *
- * @licstart  The following is the entire license notice for the
- * JavaScript code in this file.
- *
- * Copyright (c) Jon Nylander
- *
- * Licensed under the MIT licenses
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * @licend  The above is the entire license notice
- * for the JavaScript code in this file.
- */
-/* jstz.min.js Version: 1.0.6 Build date: 2015-11-04 */
-!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}();
\ No newline at end of file
+/**
+ * This script gives you the zone info key representing your device's time zone setting.
+ *
+ * @name jsTimezoneDetect
+ * @version 1.0.5
+ * @author Jon Nylander
+ * @license MIT License - http://www.opensource.org/licenses/mit-license.php
+ *
+ * For usage and examples, visit:
+ * http://pellepim.bitbucket.org/jstz/
+ *
+ * Copyright (c) Jon Nylander
+ */
+
+/*jslint undef: true */
+/*global console, exports*/
+
+(function(root) {
+  /**
+   * Namespace to hold all the code for timezone detection.
+   */
+  var jstz = (function () {
+      'use strict';
+      var HEMISPHERE_SOUTH = 's',
+          
+          /**
+           * Gets the offset in minutes from UTC for a certain date.
+           * @param {Date} date
+           * @returns {Number}
+           */
+          get_date_offset = function (date) {
+              var offset = -date.getTimezoneOffset();
+              return (offset !== null ? offset : 0);
+          },
+
+          get_date = function (year, month, date) {
+              var d = new Date();
+              if (year !== undefined) {
+                d.setFullYear(year);
+              }
+              d.setMonth(month);
+              d.setDate(date);
+              return d;
+          },
+
+          get_january_offset = function (year) {
+              return get_date_offset(get_date(year, 0 ,2));
+          },
+
+          get_june_offset = function (year) {
+              return get_date_offset(get_date(year, 5, 2));
+          },
+
+          /**
+           * Private method.
+           * Checks whether a given date is in daylight saving time.
+           * If the date supplied is after august, we assume that we're checking
+           * for southern hemisphere DST.
+           * @param {Date} date
+           * @returns {Boolean}
+           */
+          date_is_dst = function (date) {
+              var is_southern = date.getMonth() > 7,
+                  base_offset = is_southern ? get_june_offset(date.getFullYear()) : 
+                                              get_january_offset(date.getFullYear()),
+                  date_offset = get_date_offset(date),
+                  is_west = base_offset < 0,
+                  dst_offset = base_offset - date_offset;
+                  
+              if (!is_west && !is_southern) {
+                  return dst_offset < 0;
+              }
+
+              return dst_offset !== 0;
+          },
+
+          /**
+           * This function does some basic calculations to create information about
+           * the user's timezone. It uses REFERENCE_YEAR as a solid year for which
+           * the script has been tested rather than depend on the year set by the
+           * client device.
+           *
+           * Returns a key that can be used to do lookups in jstz.olson.timezones.
+           * eg: "720,1,2". 
+           *
+           * @returns {String}
+           */
+
+          lookup_key = function () {
+              var january_offset = get_january_offset(),
+                  june_offset = get_june_offset(),
+                  diff = january_offset - june_offset;
+
+              if (diff < 0) {
+                  return january_offset + ",1";
+              } else if (diff > 0) {
+                  return june_offset + ",1," + HEMISPHERE_SOUTH;
+              }
+
+              return january_offset + ",0";
+          },
+
+          /**
+           * Uses get_timezone_info() to formulate a key to use in the olson.timezones dictionary.
+           *
+           * Returns a primitive object on the format:
+           * {'timezone': TimeZone, 'key' : 'the key used to find the TimeZone object'}
+           *
+           * @returns Object
+           */
+          determine = function () {
+              var key = lookup_key();
+              return new jstz.TimeZone(jstz.olson.timezones[key]);
+          },
+
+          /**
+           * This object contains information on when daylight savings starts for
+           * different timezones.
+           *
+           * The list is short for a reason. Often we do not have to be very specific
+           * to single out the correct timezone. But when we do, this list comes in
+           * handy.
+           *
+           * Each value is a date denoting when daylight savings starts for that timezone.
+           */
+          dst_start_for = function (tz_name) {
+
+            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 :)
+                dst_starts = {
+                    'America/Denver': new Date(2011, 2, 13, 3, 0, 0, 0),
+                    'America/Mazatlan': new Date(2011, 3, 3, 3, 0, 0, 0),
+                    'America/Chicago': new Date(2011, 2, 13, 3, 0, 0, 0),
+                    'America/Mexico_City': new Date(2011, 3, 3, 3, 0, 0, 0),
+                    'America/Asuncion': new Date(2012, 9, 7, 3, 0, 0, 0),
+                    'America/Santiago': new Date(2012, 9, 3, 3, 0, 0, 0),
+                    'America/Campo_Grande': new Date(2012, 9, 21, 5, 0, 0, 0),
+                    'America/Montevideo': new Date(2011, 9, 2, 3, 0, 0, 0),
+                    'America/Sao_Paulo': new Date(2011, 9, 16, 5, 0, 0, 0),
+                    'America/Los_Angeles': new Date(2011, 2, 13, 8, 0, 0, 0),
+                    'America/Santa_Isabel': new Date(2011, 3, 5, 8, 0, 0, 0),
+                    'America/Havana': new Date(2012, 2, 10, 2, 0, 0, 0),
+                    'America/New_York': new Date(2012, 2, 10, 7, 0, 0, 0),
+                    'Europe/Helsinki': new Date(2013, 2, 31, 5, 0, 0, 0),
+                    'Pacific/Auckland': new Date(2011, 8, 26, 7, 0, 0, 0),
+                    'America/Halifax': new Date(2011, 2, 13, 6, 0, 0, 0),
+                    'America/Goose_Bay': new Date(2011, 2, 13, 2, 1, 0, 0),
+                    'America/Miquelon': new Date(2011, 2, 13, 5, 0, 0, 0),
+                    'America/Godthab': new Date(2011, 2, 27, 1, 0, 0, 0),
+                    'Europe/Moscow': ru_pre_dst_change,
+                    'Asia/Amman': new Date(2013, 2, 29, 1, 0, 0, 0),
+                    'Asia/Beirut': new Date(2013, 2, 31, 2, 0, 0, 0),
+                    'Asia/Damascus': new Date(2013, 3, 6, 2, 0, 0, 0),
+                    'Asia/Jerusalem': new Date(2013, 2, 29, 5, 0, 0, 0),
+                    'Asia/Yekaterinburg': ru_pre_dst_change,
+                    'Asia/Omsk': ru_pre_dst_change,
+                    'Asia/Krasnoyarsk': ru_pre_dst_change,
+                    'Asia/Irkutsk': ru_pre_dst_change,
+                    'Asia/Yakutsk': ru_pre_dst_change,
+                    'Asia/Vladivostok': ru_pre_dst_change,
+                    'Asia/Baku': new Date(2013, 2, 31, 4, 0, 0),
+                    'Asia/Yerevan': new Date(2013, 2, 31, 3, 0, 0),
+                    'Asia/Kamchatka': ru_pre_dst_change,
+                    'Asia/Gaza': new Date(2010, 2, 27, 4, 0, 0),
+                    'Africa/Cairo': new Date(2010, 4, 1, 3, 0, 0),
+                    'Europe/Minsk': ru_pre_dst_change,
+                    'Pacific/Apia': new Date(2010, 10, 1, 1, 0, 0, 0),
+                    'Pacific/Fiji': new Date(2010, 11, 1, 0, 0, 0),
+                    'Australia/Perth': new Date(2008, 10, 1, 1, 0, 0, 0)
+                };
+
+              return dst_starts[tz_name];
+          };
+
+      return {
+          determine: determine,
+          date_is_dst: date_is_dst,
+          dst_start_for: dst_start_for 
+      };
+  }());
+
+  /**
+   * Simple object to perform ambiguity check and to return name of time zone.
+   */
+  jstz.TimeZone = function (tz_name) {
+      'use strict';
+        /**
+         * The keys in this object are timezones that we know may be ambiguous after
+         * a preliminary scan through the olson_tz object.
+         *
+         * The array of timezones to compare must be in the order that daylight savings
+         * starts for the regions.
+         */
+      var AMBIGUITIES = {
+              'America/Denver':       ['America/Denver', 'America/Mazatlan'],
+              'America/Chicago':      ['America/Chicago', 'America/Mexico_City'],
+              'America/Santiago':     ['America/Santiago', 'America/Asuncion', 'America/Campo_Grande'],
+              'America/Montevideo':   ['America/Montevideo', 'America/Sao_Paulo'],
+              'Asia/Beirut':          ['Asia/Amman', 'Asia/Jerusalem', 'Asia/Beirut', 'Europe/Helsinki','Asia/Damascus'],
+              'Pacific/Auckland':     ['Pacific/Auckland', 'Pacific/Fiji'],
+              'America/Los_Angeles':  ['America/Los_Angeles', 'America/Santa_Isabel'],
+              'America/New_York':     ['America/Havana', 'America/New_York'],
+              'America/Halifax':      ['America/Goose_Bay', 'America/Halifax'],
+              'America/Godthab':      ['America/Miquelon', 'America/Godthab'],
+              'Asia/Dubai':           ['Europe/Moscow'],
+              'Asia/Dhaka':           ['Asia/Yekaterinburg'],
+              'Asia/Jakarta':         ['Asia/Omsk'],
+              'Asia/Shanghai':        ['Asia/Krasnoyarsk', 'Australia/Perth'],
+              'Asia/Tokyo':           ['Asia/Irkutsk'],
+              'Australia/Brisbane':   ['Asia/Yakutsk'],
+              'Pacific/Noumea':       ['Asia/Vladivostok'],
+              'Pacific/Tarawa':       ['Asia/Kamchatka', 'Pacific/Fiji'],
+              'Pacific/Tongatapu':    ['Pacific/Apia'],
+              'Asia/Baghdad':         ['Europe/Minsk'],
+              'Asia/Baku':            ['Asia/Yerevan','Asia/Baku'],
+              'Africa/Johannesburg':  ['Asia/Gaza', 'Africa/Cairo']
+          },
+
+          timezone_name = tz_name,
+          
+          /**
+           * Checks if a timezone has possible ambiguities. I.e timezones that are similar.
+           *
+           * For example, if the preliminary scan determines that we're in America/Denver.
+           * We double check here that we're really there and not in America/Mazatlan.
+           *
+           * This is done by checking known dates for when daylight savings start for different
+           * timezones during 2010 and 2011.
+           */
+          ambiguity_check = function () {
+              var ambiguity_list = AMBIGUITIES[timezone_name],
+                  length = ambiguity_list.length,
+                  i = 0,
+                  tz = ambiguity_list[0];
+
+              for (; i < length; i += 1) {
+                  tz = ambiguity_list[i];
+
+                  if (jstz.date_is_dst(jstz.dst_start_for(tz))) {
+                      timezone_name = tz;
+                      return;
+                  }
+              }
+          },
+
+          /**
+           * Checks if it is possible that the timezone is ambiguous.
+           */
+          is_ambiguous = function () {
+              return typeof (AMBIGUITIES[timezone_name]) !== 'undefined';
+          };
+
+      if (is_ambiguous()) {
+          ambiguity_check();
+      }
+
+      return {
+          name: function () {
+              return timezone_name;
+          }
+      };
+  };
+
+  jstz.olson = {};
+
+  /*
+   * The keys in this dictionary are comma separated as such:
+   *
+   * First the offset compared to UTC time in minutes.
+   *
+   * Then a flag which is 0 if the timezone does not take daylight savings into account and 1 if it
+   * does.
+   *
+   * Thirdly an optional 's' signifies that the timezone is in the southern hemisphere,
+   * only interesting for timezones with DST.
+   *
+   * The mapped arrays is used for constructing the jstz.TimeZone object from within
+   * jstz.determine_timezone();
+   */
+  jstz.olson.timezones = {
+      '-720,0'   : 'Pacific/Majuro',
+      '-660,0'   : 'Pacific/Pago_Pago',
+      '-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/Santiago',
+      '-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/Tarawa',
+      '765,1,s'  : 'Pacific/Chatham',
+      '780,0'    : 'Pacific/Tongatapu',
+      '780,1,s'  : 'Pacific/Apia',
+      '840,0'    : 'Pacific/Kiritimati'
+  };
+
+  if (typeof exports !== 'undefined') {
+    exports.jstz = jstz;
+  } else {
+    root.jstz = jstz;
+  }
+})(this);