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getTimezoneName.js
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| function getTimezoneName() { | |
| var timeSummer = new Date(Date.UTC(2005, 6, 30, 0, 0, 0, 0)); | |
| var summerOffset = -1 * timeSummer.getTimezoneOffset(); | |
| var timeWinter = new Date(Date.UTC(2005, 12, 30, 0, 0, 0, 0)); | |
| var winterOffset = -1 * timeWinter.getTimezoneOffset(); | |
| var timeZoneHiddenField; | |
| if (-720 == summerOffset && -720 == winterOffset) { timeZoneHiddenField = 'Dateline Standard Time'; } | |
| else if (-660 == summerOffset && -660 == winterOffset) { timeZoneHiddenField = 'UTC-11'; } | |
| else if (-660 == summerOffset && -660 == winterOffset) { timeZoneHiddenField = 'Samoa Standard Time'; } | |
| else if (-660 == summerOffset && -600 == winterOffset) { timeZoneHiddenField = 'Hawaiian Standard Time'; } | |
| else if (-570 == summerOffset && -570 == winterOffset) { timeZoneHiddenField.value = 'Pacific/Marquesas'; } | |
| // else if (-540 == summerOffset && -600 == winterOffset) { timeZoneHiddenField.value = 'America/Adak'; } | |
| // else if (-540 == summerOffset && -540 == winterOffset) { timeZoneHiddenField.value = 'Pacific/Gambier'; } | |
| else if (-480 == summerOffset && -540 == winterOffset) { timeZoneHiddenField = 'Alaskan Standard Time'; } | |
| // else if (-480 == summerOffset && -480 == winterOffset) { timeZoneHiddenField = 'Pacific/Pitcairn'; } | |
| else if (-420 == summerOffset && -480 == winterOffset) { timeZoneHiddenField = 'Pacific Standard Time'; } | |
| else if (-420 == summerOffset && -420 == winterOffset) { timeZoneHiddenField = 'US Mountain Standard Time'; } | |
| else if (-360 == summerOffset && -420 == winterOffset) { timeZoneHiddenField = 'Mountain Standard Time'; } | |
| else if (-360 == summerOffset && -360 == winterOffset) { timeZoneHiddenField = 'Central America Standard Time'; } | |
| // else if (-360 == summerOffset && -300 == winterOffset) { timeZoneHiddenField = 'Pacific/Easter'; } | |
| else if (-300 == summerOffset && -360 == winterOffset) { timeZoneHiddenField = 'Central Standard Time'; } | |
| else if (-300 == summerOffset && -300 == winterOffset) { timeZoneHiddenField = 'SA Pacific Standard Time'; } | |
| else if (-240 == summerOffset && -300 == winterOffset) { timeZoneHiddenField = 'Eastern Standard Time'; } | |
| else if (-270 == summerOffset && -270 == winterOffset) { timeZoneHiddenField = 'Venezuela Standard Time'; } | |
| else if (-240 == summerOffset && -240 == winterOffset) { timeZoneHiddenField = 'SA Western Standard Time'; } | |
| else if (-240 == summerOffset && -180 == winterOffset) { timeZoneHiddenField = 'Central Brazilian Standard Time'; } | |
| else if (-180 == summerOffset && -240 == winterOffset) { timeZoneHiddenField = 'Atlantic Standard Time'; } | |
| else if (-180 == summerOffset && -180 == winterOffset) { timeZoneHiddenField = 'Montevideo Standard Time'; } | |
| else if (-180 == summerOffset && -120 == winterOffset) { timeZoneHiddenField = 'E. South America Standard Time'; } | |
| else if (-150 == summerOffset && -210 == winterOffset) { timeZoneHiddenField = 'Mid-Atlantic Standard Time'; } | |
| else if (-120 == summerOffset && -180 == winterOffset) { timeZoneHiddenField = 'America/Godthab'; } | |
| else if (-120 == summerOffset && -120 == winterOffset) { timeZoneHiddenField = 'SA Eastern Standard Time'; } | |
| else if (-60 == summerOffset && -60 == winterOffset) { timeZoneHiddenField = 'Cape Verde Standard Time'; } | |
| else if (0 == summerOffset && -60 == winterOffset) { timeZoneHiddenField = 'Azores Daylight Time'; } | |
| else if (0 == summerOffset && 0 == winterOffset) { timeZoneHiddenField = 'Morocco Standard Time'; } | |
| else if (60 == summerOffset && 0 == winterOffset) { timeZoneHiddenField = 'GMT Standard Time'; } | |
| else if (60 == summerOffset && 60 == winterOffset) { timeZoneHiddenField = 'Africa/Algiers'; } | |
| else if (60 == summerOffset && 120 == winterOffset) { timeZoneHiddenField = 'Namibia Standard Time'; } | |
| else if (120 == summerOffset && 60 == winterOffset) { timeZoneHiddenField = 'Central European Standard Time'; } | |
| else if (120 == summerOffset && 120 == winterOffset) { timeZoneHiddenField = 'South Africa Standard Time'; } | |
| else if (180 == summerOffset && 120 == winterOffset) { timeZoneHiddenField = 'GTB Standard Time'; } | |
| else if (180 == summerOffset && 180 == winterOffset) { timeZoneHiddenField = 'E. Africa Standard Time'; } | |
| else if (240 == summerOffset && 180 == winterOffset) { timeZoneHiddenField = 'Russian Standard Time'; } | |
| else if (240 == summerOffset && 240 == winterOffset) { timeZoneHiddenField = 'Arabian Standard Time'; } | |
| else if (270 == summerOffset && 210 == winterOffset) { timeZoneHiddenField = 'Iran Standard Time'; } | |
| else if (270 == summerOffset && 270 == winterOffset) { timeZoneHiddenField = 'Afghanistan Standard Time'; } | |
| else if (300 == summerOffset && 240 == winterOffset) { timeZoneHiddenField = 'Pakistan Standard Time'; } | |
| else if (300 == summerOffset && 300 == winterOffset) { timeZoneHiddenField = 'West Asia Standard Time'; } | |
| else if (330 == summerOffset && 330 == winterOffset) { timeZoneHiddenField = 'India Standard Time'; } | |
| else if (345 == summerOffset && 345 == winterOffset) { timeZoneHiddenField = 'Nepal Standard Time'; } | |
| else if (360 == summerOffset && 300 == winterOffset) { timeZoneHiddenField = 'N. Central Asia Standard Time'; } | |
| else if (360 == summerOffset && 360 == winterOffset) { timeZoneHiddenField = 'Central Asia Standard Time'; } | |
| else if (390 == summerOffset && 390 == winterOffset) { timeZoneHiddenField = 'Myanmar Standard Time'; } | |
| else if (420 == summerOffset && 360 == winterOffset) { timeZoneHiddenField = 'North Asia Standard Time'; } | |
| else if (420 == summerOffset && 420 == winterOffset) { timeZoneHiddenField = 'SE Asia Standard Time'; } | |
| else if (480 == summerOffset && 420 == winterOffset) { timeZoneHiddenField = 'North Asia East Standard Time'; } | |
| else if (480 == summerOffset && 480 == winterOffset) { timeZoneHiddenField = 'China Standard Time'; } | |
| else if (540 == summerOffset && 480 == winterOffset) { timeZoneHiddenField = 'Yakutsk Standard Time'; } | |
| else if (540 == summerOffset && 540 == winterOffset) { timeZoneHiddenField = 'Tokyo Standard Time'; } | |
| else if (570 == summerOffset && 570 == winterOffset) { timeZoneHiddenField = 'Cen. Australia Standard Time'; } | |
| else if (570 == summerOffset && 630 == winterOffset) { timeZoneHiddenField = 'Australia/Adelaide'; } | |
| else if (600 == summerOffset && 540 == winterOffset) { timeZoneHiddenField = 'Asia/Yakutsk'; } | |
| else if (600 == summerOffset && 600 == winterOffset) { timeZoneHiddenField = 'E. Australia Standard Time'; } | |
| else if (600 == summerOffset && 660 == winterOffset) { timeZoneHiddenField = 'AUS Eastern Standard Time'; } | |
| else if (630 == summerOffset && 660 == winterOffset) { timeZoneHiddenField = 'Australia/Lord_Howe'; } | |
| else if (660 == summerOffset && 600 == winterOffset) { timeZoneHiddenField = 'Tasmania Standard Time'; } | |
| else if (660 == summerOffset && 660 == winterOffset) { timeZoneHiddenField = 'West Pacific Standard Time'; } | |
| else if (690 == summerOffset && 690 == winterOffset) { timeZoneHiddenField = 'Central Pacific Standard Time'; } | |
| else if (720 == summerOffset && 660 == winterOffset) { timeZoneHiddenField = 'Magadan Standard Time'; } | |
| else if (720 == summerOffset && 720 == winterOffset) { timeZoneHiddenField = 'Fiji Standard Time'; } | |
| else if (720 == summerOffset && 780 == winterOffset) { timeZoneHiddenField = 'New Zealand Standard Time'; } | |
| else if (765 == summerOffset && 825 == winterOffset) { timeZoneHiddenField = 'Pacific/Chatham'; } | |
| else if (780 == summerOffset && 780 == winterOffset) { timeZoneHiddenField = 'Tonga Standard Time'; } | |
| else if (840 == summerOffset && 840 == winterOffset) { timeZoneHiddenField = 'Pacific/Kiritimati'; } | |
| else { timeZoneHiddenField = 'US/Pacific'; } | |
| return timeZoneHiddenField; | |
| } |
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The above is good for getting string names from a timezone UTC offset integer, this is a raw data json:
https://github.com/dmfilipenko/timezones.json/blob/master/timezones.json