Epoch Converter
Time zone list / Epoch to time zone converter
There is only one Unix time and it is created by using the UTC/GMT time zone. This means you might have convert time zones to calculate timestamps. Most programming languages have libraries to help you converting time zones, calculating by hand might not be a good idea because of the variety of time zones en daylight saving times. But here's a list of time zones and offset in seconds.
Convert epoch to other time zone
Conversion results (1640287932)
1640287932 converts to Thursday December 23, 2021 13:32:12 (pm) in time zone America/Chicago (CST)The offset (difference to Greenwich Time/GMT) is -06:00 or in seconds -21600.
Other time zones
The 'Converted timestamp' column shows the time for Unix timestamp 1640287932 (Dec 23 2021 19:32:12 UTC/GMT).
| Region (time zone) | Converted timestamp 1640287932 |
Relative to UTC/ |
Date in DST |
Offset In seconds |
|---|---|---|---|---|
| Africa | ||||
| Africa/Abidjan (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Accra (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Addis Ababa (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Africa/Algiers (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Asmara (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Africa/Bamako (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Bangui (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Banjul (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Bissau (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Blantyre (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Brazzaville (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Bujumbura (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Cairo (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Casablanca (+01) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Ceuta (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Conakry (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Dakar (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Dar es Salaam (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Africa/Djibouti (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Africa/Douala (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/El Aaiun (+01) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Freetown (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Gaborone (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Harare (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Johannesburg (SAST) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Juba (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Kampala (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Africa/Khartoum (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Kigali (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Kinshasa (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Lagos (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Libreville (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Lome (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Luanda (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Lubumbashi (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Lusaka (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Malabo (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Maputo (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Maseru (SAST) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Mbabane (SAST) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Mogadishu (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Africa/Monrovia (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Nairobi (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Africa/Ndjamena (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Niamey (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Nouakchott (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Ouagadougou (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Porto-Novo (WAT) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Sao Tome (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Africa/Tripoli (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Africa/Tunis (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Africa/Windhoek (CAT) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| America | ||||
| America/Adak (HST) | Dec 23 2021 09:32:12 | GMT -10:00 | -36000 | |
| America/Anchorage (AKST) | Dec 23 2021 10:32:12 | GMT -09:00 | -32400 | |
| America/Anguilla (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Antigua (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Araguaina (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/Buenos Aires (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/Catamarca (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/Cordoba (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/Jujuy (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/La Rioja (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/Mendoza (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/Rio Gallegos (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/Salta (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/San Juan (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/San Luis (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/Tucuman (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Argentina/Ushuaia (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Aruba (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Asuncion (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | DST | -10800 |
| America/Atikokan (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Bahia (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Bahia Banderas (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Barbados (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Belem (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Belize (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Blanc-Sablon (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Boa Vista (-04) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Bogota (-05) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Boise (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Cambridge Bay (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Campo Grande (-04) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Cancun (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Caracas (-04) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Cayenne (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Cayman (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Chicago (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Chihuahua (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Costa Rica (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Creston (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Cuiaba (-04) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Curacao (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Danmarkshavn (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| America/Dawson (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Dawson Creek (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Denver (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Detroit (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Dominica (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Edmonton (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Eirunepe (-05) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/El Salvador (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Fort Nelson (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Fortaleza (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Glace Bay (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Goose Bay (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Grand Turk (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Grenada (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Guadeloupe (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Guatemala (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Guayaquil (-05) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Guyana (-04) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Halifax (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Havana (CST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Hermosillo (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Indiana/Indianapolis (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Indiana/Knox (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Indiana/Marengo (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Indiana/Petersburg (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Indiana/Tell City (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Indiana/Vevay (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Indiana/Vincennes (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Indiana/Winamac (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Inuvik (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Iqaluit (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Jamaica (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Juneau (AKST) | Dec 23 2021 10:32:12 | GMT -09:00 | -32400 | |
| America/Kentucky/Louisville (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Kentucky/Monticello (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Kralendijk (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/La Paz (-04) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Lima (-05) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Los Angeles (PST) | Dec 23 2021 11:32:12 | GMT -08:00 | -28800 | |
| America/Lower Princes (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Maceio (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Managua (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Manaus (-04) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Marigot (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Martinique (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Matamoros (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Mazatlan (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Menominee (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Merida (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Metlakatla (AKST) | Dec 23 2021 10:32:12 | GMT -09:00 | -32400 | |
| America/Mexico City (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Miquelon (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Moncton (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Monterrey (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Montevideo (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Montserrat (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Nassau (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/New York (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Nipigon (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Nome (AKST) | Dec 23 2021 10:32:12 | GMT -09:00 | -32400 | |
| America/Noronha (-02) | Dec 23 2021 17:32:12 | GMT -02:00 | -7200 | |
| America/North Dakota/Beulah (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/North Dakota/Center (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/North Dakota/New Salem (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Nuuk (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Ojinaga (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Panama (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Pangnirtung (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Paramaribo (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Phoenix (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Port-au-Prince (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Port of Spain (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Porto Velho (-04) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Puerto Rico (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Punta Arenas (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Rainy River (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Rankin Inlet (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Recife (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Regina (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Resolute (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Rio Branco (-05) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Santarem (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Santiago (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | DST | -10800 |
| America/Santo Domingo (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Sao Paulo (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| America/Scoresbysund (-01) | Dec 23 2021 18:32:12 | GMT -01:00 | -3600 | |
| America/Sitka (AKST) | Dec 23 2021 10:32:12 | GMT -09:00 | -32400 | |
| America/St Barthelemy (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/St Johns (NST) | Dec 23 2021 16:02:12 | GMT -03:30 | -12600 | |
| America/St Kitts (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/St Lucia (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/St Thomas (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/St Vincent (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Swift Current (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Tegucigalpa (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Thule (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Thunder Bay (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Tijuana (PST) | Dec 23 2021 11:32:12 | GMT -08:00 | -28800 | |
| America/Toronto (EST) | Dec 23 2021 14:32:12 | GMT -05:00 | -18000 | |
| America/Tortola (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| America/Vancouver (PST) | Dec 23 2021 11:32:12 | GMT -08:00 | -28800 | |
| America/Whitehorse (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| America/Winnipeg (CST) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| America/Yakutat (AKST) | Dec 23 2021 10:32:12 | GMT -09:00 | -32400 | |
| America/Yellowknife (MST) | Dec 23 2021 12:32:12 | GMT -07:00 | -25200 | |
| Antarctica | ||||
| Antarctica/Casey (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Antarctica/Davis (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Antarctica/DumontDUrville (+10) | Dec 24 2021 05:32:12 | GMT +10:00 | +36000 | |
| Antarctica/Macquarie (AEDT) | Dec 24 2021 06:32:12 | GMT +11:00 | DST | +39600 |
| Antarctica/Mawson (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Antarctica/McMurdo (NZDT) | Dec 24 2021 08:32:12 | GMT +13:00 | DST | +46800 |
| Antarctica/Palmer (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| Antarctica/Rothera (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| Antarctica/Syowa (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Antarctica/Troll (+00) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Antarctica/Vostok (+06) | Dec 24 2021 01:32:12 | GMT +06:00 | +21600 | |
| Arctic | ||||
| Arctic/Longyearbyen (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Asia | ||||
| Asia/Aden (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Asia/Almaty (+06) | Dec 24 2021 01:32:12 | GMT +06:00 | +21600 | |
| Asia/Amman (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Asia/Anadyr (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| Asia/Aqtau (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Aqtobe (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Ashgabat (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Atyrau (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Baghdad (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Asia/Bahrain (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Asia/Baku (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Asia/Bangkok (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Barnaul (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Beirut (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Asia/Bishkek (+06) | Dec 24 2021 01:32:12 | GMT +06:00 | +21600 | |
| Asia/Brunei (+08) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Chita (+09) | Dec 24 2021 04:32:12 | GMT +09:00 | +32400 | |
| Asia/Choibalsan (+08) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Colombo (+0530) | Dec 24 2021 01:02:12 | GMT +05:30 | +19800 | |
| Asia/Damascus (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Asia/Dhaka (+06) | Dec 24 2021 01:32:12 | GMT +06:00 | +21600 | |
| Asia/Dili (+09) | Dec 24 2021 04:32:12 | GMT +09:00 | +32400 | |
| Asia/Dubai (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Asia/Dushanbe (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Famagusta (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Asia/Gaza (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Asia/Hebron (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Asia/Ho Chi Minh (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Hong Kong (HKT) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Hovd (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Irkutsk (+08) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Jakarta (WIB) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Jayapura (WIT) | Dec 24 2021 04:32:12 | GMT +09:00 | +32400 | |
| Asia/Jerusalem (IST) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Asia/Kabul (+0430) | Dec 24 2021 00:02:12 | GMT +04:30 | +16200 | |
| Asia/Kamchatka (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| Asia/Karachi (PKT) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Kathmandu (+0545) | Dec 24 2021 01:17:12 | GMT +05:45 | +20700 | |
| Asia/Khandyga (+09) | Dec 24 2021 04:32:12 | GMT +09:00 | +32400 | |
| Asia/Kolkata (IST) | Dec 24 2021 01:02:12 | GMT +05:30 | +19800 | |
| Asia/Krasnoyarsk (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Kuala Lumpur (+08) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Kuching (+08) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Kuwait (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Asia/Macau (CST) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Magadan (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Asia/Makassar (WITA) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Manila (PST) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Muscat (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Asia/Nicosia (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Asia/Novokuznetsk (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Novosibirsk (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Omsk (+06) | Dec 24 2021 01:32:12 | GMT +06:00 | +21600 | |
| Asia/Oral (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Phnom Penh (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Pontianak (WIB) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Pyongyang (KST) | Dec 24 2021 04:32:12 | GMT +09:00 | +32400 | |
| Asia/Qatar (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Asia/Qostanay (+06) | Dec 24 2021 01:32:12 | GMT +06:00 | +21600 | |
| Asia/Qyzylorda (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Riyadh (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Asia/Sakhalin (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Asia/Samarkand (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Seoul (KST) | Dec 24 2021 04:32:12 | GMT +09:00 | +32400 | |
| Asia/Shanghai (CST) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Singapore (+08) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Srednekolymsk (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Asia/Taipei (CST) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Tashkent (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Tbilisi (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Asia/Tehran (+0330) | Dec 23 2021 23:02:12 | GMT +03:30 | +12600 | |
| Asia/Thimphu (+06) | Dec 24 2021 01:32:12 | GMT +06:00 | +21600 | |
| Asia/Tokyo (JST) | Dec 24 2021 04:32:12 | GMT +09:00 | +32400 | |
| Asia/Tomsk (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Ulaanbaatar (+08) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Asia/Urumqi (+06) | Dec 24 2021 01:32:12 | GMT +06:00 | +21600 | |
| Asia/Ust-Nera (+10) | Dec 24 2021 05:32:12 | GMT +10:00 | +36000 | |
| Asia/Vientiane (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Asia/Vladivostok (+10) | Dec 24 2021 05:32:12 | GMT +10:00 | +36000 | |
| Asia/Yakutsk (+09) | Dec 24 2021 04:32:12 | GMT +09:00 | +32400 | |
| Asia/Yangon (+0630) | Dec 24 2021 02:02:12 | GMT +06:30 | +23400 | |
| Asia/Yekaterinburg (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Asia/Yerevan (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Atlantic | ||||
| Atlantic/Azores (-01) | Dec 23 2021 18:32:12 | GMT -01:00 | -3600 | |
| Atlantic/Bermuda (AST) | Dec 23 2021 15:32:12 | GMT -04:00 | -14400 | |
| Atlantic/Canary (WET) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Atlantic/Cape Verde (-01) | Dec 23 2021 18:32:12 | GMT -01:00 | -3600 | |
| Atlantic/Faroe (WET) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Atlantic/Madeira (WET) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Atlantic/Reykjavik (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Atlantic/South Georgia (-02) | Dec 23 2021 17:32:12 | GMT -02:00 | -7200 | |
| Atlantic/St Helena (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Atlantic/Stanley (-03) | Dec 23 2021 16:32:12 | GMT -03:00 | -10800 | |
| Australia | ||||
| Australia/Adelaide (ACDT) | Dec 24 2021 06:02:12 | GMT +10:30 | DST | +37800 |
| Australia/Brisbane (AEST) | Dec 24 2021 05:32:12 | GMT +10:00 | +36000 | |
| Australia/Broken Hill (ACDT) | Dec 24 2021 06:02:12 | GMT +10:30 | DST | +37800 |
| Australia/Darwin (ACST) | Dec 24 2021 05:02:12 | GMT +09:30 | +34200 | |
| Australia/Eucla (+0845) | Dec 24 2021 04:17:12 | GMT +08:45 | +31500 | |
| Australia/Hobart (AEDT) | Dec 24 2021 06:32:12 | GMT +11:00 | DST | +39600 |
| Australia/Lindeman (AEST) | Dec 24 2021 05:32:12 | GMT +10:00 | +36000 | |
| Australia/Lord Howe (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | DST | +39600 |
| Australia/Melbourne (AEDT) | Dec 24 2021 06:32:12 | GMT +11:00 | DST | +39600 |
| Australia/Perth (AWST) | Dec 24 2021 03:32:12 | GMT +08:00 | +28800 | |
| Australia/Sydney (AEDT) | Dec 24 2021 06:32:12 | GMT +11:00 | DST | +39600 |
| Europe | ||||
| Europe/Amsterdam (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Andorra (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Astrakhan (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Europe/Athens (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Belgrade (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Berlin (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Bratislava (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Brussels (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Bucharest (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Budapest (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Busingen (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Chisinau (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Copenhagen (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Dublin (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | DST | 0 |
| Europe/Gibraltar (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Guernsey (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Europe/Helsinki (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Isle of Man (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Europe/Istanbul (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Europe/Jersey (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Europe/Kaliningrad (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Kirov (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Europe/Kyiv (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Lisbon (WET) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Europe/Ljubljana (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/London (GMT) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
| Europe/Luxembourg (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Madrid (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Malta (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Mariehamn (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Minsk (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Europe/Monaco (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Moscow (MSK) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Europe/Oslo (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Paris (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Podgorica (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Prague (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Riga (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Rome (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Samara (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Europe/San Marino (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Sarajevo (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Saratov (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Europe/Simferopol (MSK) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Europe/Skopje (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Sofia (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Stockholm (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Tallinn (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Tirane (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Ulyanovsk (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Europe/Uzhgorod (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Vaduz (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Vatican (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Vienna (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Vilnius (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Volgograd (+03) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Europe/Warsaw (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Zagreb (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Europe/Zaporozhye (EET) | Dec 23 2021 21:32:12 | GMT +02:00 | +7200 | |
| Europe/Zurich (CET) | Dec 23 2021 20:32:12 | GMT +01:00 | +3600 | |
| Indian | ||||
| Indian/Antananarivo (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Indian/Chagos (+06) | Dec 24 2021 01:32:12 | GMT +06:00 | +21600 | |
| Indian/Christmas (+07) | Dec 24 2021 02:32:12 | GMT +07:00 | +25200 | |
| Indian/Cocos (+0630) | Dec 24 2021 02:02:12 | GMT +06:30 | +23400 | |
| Indian/Comoro (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Indian/Kerguelen (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Indian/Mahe (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Indian/Maldives (+05) | Dec 24 2021 00:32:12 | GMT +05:00 | +18000 | |
| Indian/Mauritius (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Indian/Mayotte (EAT) | Dec 23 2021 22:32:12 | GMT +03:00 | +10800 | |
| Indian/Reunion (+04) | Dec 23 2021 23:32:12 | GMT +04:00 | +14400 | |
| Pacific | ||||
| Pacific/Apia (+13) | Dec 24 2021 08:32:12 | GMT +13:00 | +46800 | |
| Pacific/Auckland (NZDT) | Dec 24 2021 08:32:12 | GMT +13:00 | DST | +46800 |
| Pacific/Bougainville (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Pacific/Chatham (+1345) | Dec 24 2021 09:17:12 | GMT +13:45 | DST | +49500 |
| Pacific/Chuuk (+10) | Dec 24 2021 05:32:12 | GMT +10:00 | +36000 | |
| Pacific/Easter (-05) | Dec 23 2021 14:32:12 | GMT -05:00 | DST | -18000 |
| Pacific/Efate (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Pacific/Fakaofo (+13) | Dec 24 2021 08:32:12 | GMT +13:00 | +46800 | |
| Pacific/Fiji (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| Pacific/Funafuti (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| Pacific/Galapagos (-06) | Dec 23 2021 13:32:12 | GMT -06:00 | -21600 | |
| Pacific/Gambier (-09) | Dec 23 2021 10:32:12 | GMT -09:00 | -32400 | |
| Pacific/Guadalcanal (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Pacific/Guam (ChST) | Dec 24 2021 05:32:12 | GMT +10:00 | +36000 | |
| Pacific/Honolulu (HST) | Dec 23 2021 09:32:12 | GMT -10:00 | -36000 | |
| Pacific/Kanton (+13) | Dec 24 2021 08:32:12 | GMT +13:00 | +46800 | |
| Pacific/Kiritimati (+14) | Dec 24 2021 09:32:12 | GMT +14:00 | +50400 | |
| Pacific/Kosrae (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Pacific/Kwajalein (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| Pacific/Majuro (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| Pacific/Marquesas (-0930) | Dec 23 2021 10:02:12 | GMT -09:30 | -34200 | |
| Pacific/Midway (SST) | Dec 23 2021 08:32:12 | GMT -11:00 | -39600 | |
| Pacific/Nauru (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| Pacific/Niue (-11) | Dec 23 2021 08:32:12 | GMT -11:00 | -39600 | |
| Pacific/Norfolk (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | DST | +43200 |
| Pacific/Noumea (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Pacific/Pago Pago (SST) | Dec 23 2021 08:32:12 | GMT -11:00 | -39600 | |
| Pacific/Palau (+09) | Dec 24 2021 04:32:12 | GMT +09:00 | +32400 | |
| Pacific/Pitcairn (-08) | Dec 23 2021 11:32:12 | GMT -08:00 | -28800 | |
| Pacific/Pohnpei (+11) | Dec 24 2021 06:32:12 | GMT +11:00 | +39600 | |
| Pacific/Port Moresby (+10) | Dec 24 2021 05:32:12 | GMT +10:00 | +36000 | |
| Pacific/Rarotonga (-10) | Dec 23 2021 09:32:12 | GMT -10:00 | -36000 | |
| Pacific/Saipan (ChST) | Dec 24 2021 05:32:12 | GMT +10:00 | +36000 | |
| Pacific/Tahiti (-10) | Dec 23 2021 09:32:12 | GMT -10:00 | -36000 | |
| Pacific/Tarawa (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| Pacific/Tongatapu (+13) | Dec 24 2021 08:32:12 | GMT +13:00 | +46800 | |
| Pacific/Wake (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| Pacific/Wallis (+12) | Dec 24 2021 07:32:12 | GMT +12:00 | +43200 | |
| UTC (GMT) | ||||
| UTC (UTC) | Dec 23 2021 19:32:12 | GMT +00:00 | 0 | |
Be careful: This script cannot handle dates far in the future/past! Current timezones/daylight saving rules are used for all dates.
Daylight Saving Times (DST)
To convert from normal/standard time to daylight saving time add 1 hour ( or +3600 seconds ).
For example: Eastern Standard Time = GMT-5, add 1 hour: Eastern Daylight Time = GMT-4