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 (1640570557)
1640570557 converts to Sunday December 26, 2021 20:02:37 (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 1640570557 (Dec 27 2021 02:02:37 UTC/GMT).
| Region (time zone) | Converted timestamp 1640570557 |
Relative to UTC/ |
Date in DST |
Offset In seconds |
|---|---|---|---|---|
| Africa | ||||
| Africa/Abidjan (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Accra (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Addis Ababa (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Africa/Algiers (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Asmara (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Africa/Bamako (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Bangui (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Banjul (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Bissau (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Blantyre (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Brazzaville (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Bujumbura (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Cairo (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Casablanca (+01) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Ceuta (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Conakry (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Dakar (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Dar es Salaam (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Africa/Djibouti (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Africa/Douala (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/El Aaiun (+01) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Freetown (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Gaborone (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Harare (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Johannesburg (SAST) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Juba (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Kampala (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Africa/Khartoum (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Kigali (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Kinshasa (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Lagos (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Libreville (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Lome (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Luanda (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Lubumbashi (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Lusaka (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Malabo (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Maputo (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Maseru (SAST) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Mbabane (SAST) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Mogadishu (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Africa/Monrovia (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Nairobi (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Africa/Ndjamena (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Niamey (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Nouakchott (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Ouagadougou (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Porto-Novo (WAT) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Sao Tome (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Africa/Tripoli (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Africa/Tunis (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Africa/Windhoek (CAT) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| America | ||||
| America/Adak (HST) | Dec 26 2021 16:02:37 | GMT -10:00 | -36000 | |
| America/Anchorage (AKST) | Dec 26 2021 17:02:37 | GMT -09:00 | -32400 | |
| America/Anguilla (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Antigua (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Araguaina (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/Buenos Aires (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/Catamarca (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/Cordoba (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/Jujuy (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/La Rioja (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/Mendoza (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/Rio Gallegos (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/Salta (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/San Juan (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/San Luis (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/Tucuman (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Argentina/Ushuaia (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Aruba (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Asuncion (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | DST | -10800 |
| America/Atikokan (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Bahia (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Bahia Banderas (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Barbados (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Belem (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Belize (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Blanc-Sablon (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Boa Vista (-04) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Bogota (-05) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Boise (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Cambridge Bay (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Campo Grande (-04) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Cancun (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Caracas (-04) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Cayenne (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Cayman (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Chicago (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Chihuahua (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Costa Rica (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Creston (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Cuiaba (-04) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Curacao (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Danmarkshavn (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| America/Dawson (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Dawson Creek (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Denver (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Detroit (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Dominica (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Edmonton (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Eirunepe (-05) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/El Salvador (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Fort Nelson (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Fortaleza (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Glace Bay (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Goose Bay (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Grand Turk (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Grenada (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Guadeloupe (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Guatemala (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Guayaquil (-05) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Guyana (-04) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Halifax (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Havana (CST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Hermosillo (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Indiana/Indianapolis (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Indiana/Knox (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Indiana/Marengo (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Indiana/Petersburg (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Indiana/Tell City (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Indiana/Vevay (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Indiana/Vincennes (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Indiana/Winamac (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Inuvik (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Iqaluit (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Jamaica (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Juneau (AKST) | Dec 26 2021 17:02:37 | GMT -09:00 | -32400 | |
| America/Kentucky/Louisville (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Kentucky/Monticello (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Kralendijk (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/La Paz (-04) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Lima (-05) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Los Angeles (PST) | Dec 26 2021 18:02:37 | GMT -08:00 | -28800 | |
| America/Lower Princes (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Maceio (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Managua (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Manaus (-04) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Marigot (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Martinique (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Matamoros (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Mazatlan (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Menominee (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Merida (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Metlakatla (AKST) | Dec 26 2021 17:02:37 | GMT -09:00 | -32400 | |
| America/Mexico City (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Miquelon (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Moncton (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Monterrey (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Montevideo (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Montserrat (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Nassau (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/New York (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Nipigon (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Nome (AKST) | Dec 26 2021 17:02:37 | GMT -09:00 | -32400 | |
| America/Noronha (-02) | Dec 27 2021 00:02:37 | GMT -02:00 | -7200 | |
| America/North Dakota/Beulah (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/North Dakota/Center (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/North Dakota/New Salem (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Nuuk (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Ojinaga (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Panama (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Pangnirtung (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Paramaribo (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Phoenix (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Port-au-Prince (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Port of Spain (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Porto Velho (-04) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Puerto Rico (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Punta Arenas (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Rainy River (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Rankin Inlet (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Recife (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Regina (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Resolute (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Rio Branco (-05) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Santarem (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Santiago (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | DST | -10800 |
| America/Santo Domingo (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Sao Paulo (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| America/Scoresbysund (-01) | Dec 27 2021 01:02:37 | GMT -01:00 | -3600 | |
| America/Sitka (AKST) | Dec 26 2021 17:02:37 | GMT -09:00 | -32400 | |
| America/St Barthelemy (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/St Johns (NST) | Dec 26 2021 22:32:37 | GMT -03:30 | -12600 | |
| America/St Kitts (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/St Lucia (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/St Thomas (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/St Vincent (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Swift Current (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Tegucigalpa (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Thule (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Thunder Bay (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Tijuana (PST) | Dec 26 2021 18:02:37 | GMT -08:00 | -28800 | |
| America/Toronto (EST) | Dec 26 2021 21:02:37 | GMT -05:00 | -18000 | |
| America/Tortola (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| America/Vancouver (PST) | Dec 26 2021 18:02:37 | GMT -08:00 | -28800 | |
| America/Whitehorse (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| America/Winnipeg (CST) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| America/Yakutat (AKST) | Dec 26 2021 17:02:37 | GMT -09:00 | -32400 | |
| America/Yellowknife (MST) | Dec 26 2021 19:02:37 | GMT -07:00 | -25200 | |
| Antarctica | ||||
| Antarctica/Casey (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Antarctica/Davis (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Antarctica/DumontDUrville (+10) | Dec 27 2021 12:02:37 | GMT +10:00 | +36000 | |
| Antarctica/Macquarie (AEDT) | Dec 27 2021 13:02:37 | GMT +11:00 | DST | +39600 |
| Antarctica/Mawson (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Antarctica/McMurdo (NZDT) | Dec 27 2021 15:02:37 | GMT +13:00 | DST | +46800 |
| Antarctica/Palmer (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| Antarctica/Rothera (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| Antarctica/Syowa (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Antarctica/Troll (+00) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Antarctica/Vostok (+06) | Dec 27 2021 08:02:37 | GMT +06:00 | +21600 | |
| Arctic | ||||
| Arctic/Longyearbyen (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Asia | ||||
| Asia/Aden (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Asia/Almaty (+06) | Dec 27 2021 08:02:37 | GMT +06:00 | +21600 | |
| Asia/Amman (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Asia/Anadyr (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| Asia/Aqtau (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Aqtobe (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Ashgabat (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Atyrau (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Baghdad (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Asia/Bahrain (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Asia/Baku (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Asia/Bangkok (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Barnaul (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Beirut (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Asia/Bishkek (+06) | Dec 27 2021 08:02:37 | GMT +06:00 | +21600 | |
| Asia/Brunei (+08) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Chita (+09) | Dec 27 2021 11:02:37 | GMT +09:00 | +32400 | |
| Asia/Choibalsan (+08) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Colombo (+0530) | Dec 27 2021 07:32:37 | GMT +05:30 | +19800 | |
| Asia/Damascus (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Asia/Dhaka (+06) | Dec 27 2021 08:02:37 | GMT +06:00 | +21600 | |
| Asia/Dili (+09) | Dec 27 2021 11:02:37 | GMT +09:00 | +32400 | |
| Asia/Dubai (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Asia/Dushanbe (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Famagusta (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Asia/Gaza (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Asia/Hebron (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Asia/Ho Chi Minh (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Hong Kong (HKT) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Hovd (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Irkutsk (+08) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Jakarta (WIB) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Jayapura (WIT) | Dec 27 2021 11:02:37 | GMT +09:00 | +32400 | |
| Asia/Jerusalem (IST) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Asia/Kabul (+0430) | Dec 27 2021 06:32:37 | GMT +04:30 | +16200 | |
| Asia/Kamchatka (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| Asia/Karachi (PKT) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Kathmandu (+0545) | Dec 27 2021 07:47:37 | GMT +05:45 | +20700 | |
| Asia/Khandyga (+09) | Dec 27 2021 11:02:37 | GMT +09:00 | +32400 | |
| Asia/Kolkata (IST) | Dec 27 2021 07:32:37 | GMT +05:30 | +19800 | |
| Asia/Krasnoyarsk (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Kuala Lumpur (+08) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Kuching (+08) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Kuwait (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Asia/Macau (CST) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Magadan (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Asia/Makassar (WITA) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Manila (PST) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Muscat (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Asia/Nicosia (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Asia/Novokuznetsk (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Novosibirsk (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Omsk (+06) | Dec 27 2021 08:02:37 | GMT +06:00 | +21600 | |
| Asia/Oral (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Phnom Penh (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Pontianak (WIB) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Pyongyang (KST) | Dec 27 2021 11:02:37 | GMT +09:00 | +32400 | |
| Asia/Qatar (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Asia/Qostanay (+06) | Dec 27 2021 08:02:37 | GMT +06:00 | +21600 | |
| Asia/Qyzylorda (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Riyadh (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Asia/Sakhalin (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Asia/Samarkand (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Seoul (KST) | Dec 27 2021 11:02:37 | GMT +09:00 | +32400 | |
| Asia/Shanghai (CST) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Singapore (+08) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Srednekolymsk (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Asia/Taipei (CST) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Tashkent (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Tbilisi (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Asia/Tehran (+0330) | Dec 27 2021 05:32:37 | GMT +03:30 | +12600 | |
| Asia/Thimphu (+06) | Dec 27 2021 08:02:37 | GMT +06:00 | +21600 | |
| Asia/Tokyo (JST) | Dec 27 2021 11:02:37 | GMT +09:00 | +32400 | |
| Asia/Tomsk (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Ulaanbaatar (+08) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Asia/Urumqi (+06) | Dec 27 2021 08:02:37 | GMT +06:00 | +21600 | |
| Asia/Ust-Nera (+10) | Dec 27 2021 12:02:37 | GMT +10:00 | +36000 | |
| Asia/Vientiane (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Asia/Vladivostok (+10) | Dec 27 2021 12:02:37 | GMT +10:00 | +36000 | |
| Asia/Yakutsk (+09) | Dec 27 2021 11:02:37 | GMT +09:00 | +32400 | |
| Asia/Yangon (+0630) | Dec 27 2021 08:32:37 | GMT +06:30 | +23400 | |
| Asia/Yekaterinburg (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Asia/Yerevan (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Atlantic | ||||
| Atlantic/Azores (-01) | Dec 27 2021 01:02:37 | GMT -01:00 | -3600 | |
| Atlantic/Bermuda (AST) | Dec 26 2021 22:02:37 | GMT -04:00 | -14400 | |
| Atlantic/Canary (WET) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Atlantic/Cape Verde (-01) | Dec 27 2021 01:02:37 | GMT -01:00 | -3600 | |
| Atlantic/Faroe (WET) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Atlantic/Madeira (WET) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Atlantic/Reykjavik (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Atlantic/South Georgia (-02) | Dec 27 2021 00:02:37 | GMT -02:00 | -7200 | |
| Atlantic/St Helena (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Atlantic/Stanley (-03) | Dec 26 2021 23:02:37 | GMT -03:00 | -10800 | |
| Australia | ||||
| Australia/Adelaide (ACDT) | Dec 27 2021 12:32:37 | GMT +10:30 | DST | +37800 |
| Australia/Brisbane (AEST) | Dec 27 2021 12:02:37 | GMT +10:00 | +36000 | |
| Australia/Broken Hill (ACDT) | Dec 27 2021 12:32:37 | GMT +10:30 | DST | +37800 |
| Australia/Darwin (ACST) | Dec 27 2021 11:32:37 | GMT +09:30 | +34200 | |
| Australia/Eucla (+0845) | Dec 27 2021 10:47:37 | GMT +08:45 | +31500 | |
| Australia/Hobart (AEDT) | Dec 27 2021 13:02:37 | GMT +11:00 | DST | +39600 |
| Australia/Lindeman (AEST) | Dec 27 2021 12:02:37 | GMT +10:00 | +36000 | |
| Australia/Lord Howe (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | DST | +39600 |
| Australia/Melbourne (AEDT) | Dec 27 2021 13:02:37 | GMT +11:00 | DST | +39600 |
| Australia/Perth (AWST) | Dec 27 2021 10:02:37 | GMT +08:00 | +28800 | |
| Australia/Sydney (AEDT) | Dec 27 2021 13:02:37 | GMT +11:00 | DST | +39600 |
| Europe | ||||
| Europe/Amsterdam (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Andorra (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Astrakhan (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Europe/Athens (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Belgrade (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Berlin (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Bratislava (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Brussels (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Bucharest (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Budapest (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Busingen (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Chisinau (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Copenhagen (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Dublin (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | DST | 0 |
| Europe/Gibraltar (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Guernsey (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Europe/Helsinki (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Isle of Man (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Europe/Istanbul (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Europe/Jersey (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Europe/Kaliningrad (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Kiev (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Kirov (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Europe/Lisbon (WET) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Europe/Ljubljana (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/London (GMT) | Dec 27 2021 02:02:37 | GMT +00:00 | 0 | |
| Europe/Luxembourg (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Madrid (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Malta (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Mariehamn (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Minsk (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Europe/Monaco (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Moscow (MSK) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Europe/Oslo (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Paris (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Podgorica (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Prague (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Riga (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Rome (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Samara (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Europe/San Marino (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Sarajevo (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Saratov (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Europe/Simferopol (MSK) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Europe/Skopje (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Sofia (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Stockholm (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Tallinn (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Tirane (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Ulyanovsk (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Europe/Uzhgorod (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Vaduz (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Vatican (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Vienna (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Vilnius (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Volgograd (+03) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Europe/Warsaw (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Zagreb (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Europe/Zaporozhye (EET) | Dec 27 2021 04:02:37 | GMT +02:00 | +7200 | |
| Europe/Zurich (CET) | Dec 27 2021 03:02:37 | GMT +01:00 | +3600 | |
| Indian | ||||
| Indian/Antananarivo (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Indian/Chagos (+06) | Dec 27 2021 08:02:37 | GMT +06:00 | +21600 | |
| Indian/Christmas (+07) | Dec 27 2021 09:02:37 | GMT +07:00 | +25200 | |
| Indian/Cocos (+0630) | Dec 27 2021 08:32:37 | GMT +06:30 | +23400 | |
| Indian/Comoro (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Indian/Kerguelen (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Indian/Mahe (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Indian/Maldives (+05) | Dec 27 2021 07:02:37 | GMT +05:00 | +18000 | |
| Indian/Mauritius (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Indian/Mayotte (EAT) | Dec 27 2021 05:02:37 | GMT +03:00 | +10800 | |
| Indian/Reunion (+04) | Dec 27 2021 06:02:37 | GMT +04:00 | +14400 | |
| Pacific | ||||
| Pacific/Apia (+13) | Dec 27 2021 15:02:37 | GMT +13:00 | +46800 | |
| Pacific/Auckland (NZDT) | Dec 27 2021 15:02:37 | GMT +13:00 | DST | +46800 |
| Pacific/Bougainville (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Pacific/Chatham (+1345) | Dec 27 2021 15:47:37 | GMT +13:45 | DST | +49500 |
| Pacific/Chuuk (+10) | Dec 27 2021 12:02:37 | GMT +10:00 | +36000 | |
| Pacific/Easter (-05) | Dec 26 2021 21:02:37 | GMT -05:00 | DST | -18000 |
| Pacific/Efate (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Pacific/Fakaofo (+13) | Dec 27 2021 15:02:37 | GMT +13:00 | +46800 | |
| Pacific/Fiji (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| Pacific/Funafuti (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| Pacific/Galapagos (-06) | Dec 26 2021 20:02:37 | GMT -06:00 | -21600 | |
| Pacific/Gambier (-09) | Dec 26 2021 17:02:37 | GMT -09:00 | -32400 | |
| Pacific/Guadalcanal (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Pacific/Guam (ChST) | Dec 27 2021 12:02:37 | GMT +10:00 | +36000 | |
| Pacific/Honolulu (HST) | Dec 26 2021 16:02:37 | GMT -10:00 | -36000 | |
| Pacific/Kanton (+13) | Dec 27 2021 15:02:37 | GMT +13:00 | +46800 | |
| Pacific/Kiritimati (+14) | Dec 27 2021 16:02:37 | GMT +14:00 | +50400 | |
| Pacific/Kosrae (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Pacific/Kwajalein (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| Pacific/Majuro (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| Pacific/Marquesas (-0930) | Dec 26 2021 16:32:37 | GMT -09:30 | -34200 | |
| Pacific/Midway (SST) | Dec 26 2021 15:02:37 | GMT -11:00 | -39600 | |
| Pacific/Nauru (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| Pacific/Niue (-11) | Dec 26 2021 15:02:37 | GMT -11:00 | -39600 | |
| Pacific/Norfolk (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | DST | +43200 |
| Pacific/Noumea (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Pacific/Pago Pago (SST) | Dec 26 2021 15:02:37 | GMT -11:00 | -39600 | |
| Pacific/Palau (+09) | Dec 27 2021 11:02:37 | GMT +09:00 | +32400 | |
| Pacific/Pitcairn (-08) | Dec 26 2021 18:02:37 | GMT -08:00 | -28800 | |
| Pacific/Pohnpei (+11) | Dec 27 2021 13:02:37 | GMT +11:00 | +39600 | |
| Pacific/Port Moresby (+10) | Dec 27 2021 12:02:37 | GMT +10:00 | +36000 | |
| Pacific/Rarotonga (-10) | Dec 26 2021 16:02:37 | GMT -10:00 | -36000 | |
| Pacific/Saipan (ChST) | Dec 27 2021 12:02:37 | GMT +10:00 | +36000 | |
| Pacific/Tahiti (-10) | Dec 26 2021 16:02:37 | GMT -10:00 | -36000 | |
| Pacific/Tarawa (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| Pacific/Tongatapu (+13) | Dec 27 2021 15:02:37 | GMT +13:00 | +46800 | |
| Pacific/Wake (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| Pacific/Wallis (+12) | Dec 27 2021 14:02:37 | GMT +12:00 | +43200 | |
| UTC (GMT) | ||||
| UTC (UTC) | Dec 27 2021 02:02:37 | 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