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 (1638897522)
1638897522 converts to Tuesday December 07, 2021 11:18:42 (am) 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 1638897522 (Dec 07 2021 17:18:42 UTC/GMT).
| Region (time zone) | Converted timestamp 1638897522 |
Relative to UTC/ |
Date in DST |
Offset In seconds |
|---|---|---|---|---|
| Africa | ||||
| Africa/Abidjan (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Accra (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Addis Ababa (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Africa/Algiers (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Asmara (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Africa/Bamako (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Bangui (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Banjul (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Bissau (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Blantyre (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Brazzaville (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Bujumbura (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Cairo (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Casablanca (+01) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Ceuta (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Conakry (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Dakar (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Dar es Salaam (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Africa/Djibouti (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Africa/Douala (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/El Aaiun (+01) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Freetown (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Gaborone (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Harare (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Johannesburg (SAST) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Juba (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Kampala (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Africa/Khartoum (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Kigali (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Kinshasa (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Lagos (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Libreville (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Lome (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Luanda (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Lubumbashi (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Lusaka (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Malabo (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Maputo (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Maseru (SAST) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Mbabane (SAST) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Mogadishu (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Africa/Monrovia (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Nairobi (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Africa/Ndjamena (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Niamey (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Nouakchott (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Ouagadougou (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Porto-Novo (WAT) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Sao Tome (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Africa/Tripoli (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Africa/Tunis (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Africa/Windhoek (CAT) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| America | ||||
| America/Adak (HST) | Dec 07 2021 07:18:42 | GMT -10:00 | -36000 | |
| America/Anchorage (AKST) | Dec 07 2021 08:18:42 | GMT -09:00 | -32400 | |
| America/Anguilla (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Antigua (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Araguaina (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/Buenos Aires (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/Catamarca (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/Cordoba (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/Jujuy (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/La Rioja (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/Mendoza (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/Rio Gallegos (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/Salta (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/San Juan (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/San Luis (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/Tucuman (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Argentina/Ushuaia (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Aruba (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Asuncion (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | DST | -10800 |
| America/Atikokan (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Bahia (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Bahia Banderas (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Barbados (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Belem (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Belize (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Blanc-Sablon (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Boa Vista (-04) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Bogota (-05) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Boise (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Cambridge Bay (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Campo Grande (-04) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Cancun (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Caracas (-04) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Cayenne (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Cayman (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Chicago (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Chihuahua (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Costa Rica (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Creston (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Cuiaba (-04) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Curacao (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Danmarkshavn (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| America/Dawson (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Dawson Creek (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Denver (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Detroit (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Dominica (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Edmonton (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Eirunepe (-05) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/El Salvador (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Fort Nelson (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Fortaleza (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Glace Bay (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Goose Bay (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Grand Turk (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Grenada (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Guadeloupe (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Guatemala (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Guayaquil (-05) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Guyana (-04) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Halifax (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Havana (CST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Hermosillo (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Indiana/Indianapolis (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Indiana/Knox (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Indiana/Marengo (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Indiana/Petersburg (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Indiana/Tell City (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Indiana/Vevay (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Indiana/Vincennes (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Indiana/Winamac (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Inuvik (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Iqaluit (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Jamaica (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Juneau (AKST) | Dec 07 2021 08:18:42 | GMT -09:00 | -32400 | |
| America/Kentucky/Louisville (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Kentucky/Monticello (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Kralendijk (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/La Paz (-04) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Lima (-05) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Los Angeles (PST) | Dec 07 2021 09:18:42 | GMT -08:00 | -28800 | |
| America/Lower Princes (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Maceio (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Managua (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Manaus (-04) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Marigot (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Martinique (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Matamoros (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Mazatlan (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Menominee (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Merida (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Metlakatla (AKST) | Dec 07 2021 08:18:42 | GMT -09:00 | -32400 | |
| America/Mexico City (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Miquelon (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Moncton (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Monterrey (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Montevideo (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Montserrat (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Nassau (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/New York (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Nipigon (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Nome (AKST) | Dec 07 2021 08:18:42 | GMT -09:00 | -32400 | |
| America/Noronha (-02) | Dec 07 2021 15:18:42 | GMT -02:00 | -7200 | |
| America/North Dakota/Beulah (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/North Dakota/Center (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/North Dakota/New Salem (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Nuuk (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Ojinaga (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Panama (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Pangnirtung (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Paramaribo (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Phoenix (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Port-au-Prince (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Port of Spain (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Porto Velho (-04) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Puerto Rico (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Punta Arenas (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Rainy River (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Rankin Inlet (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Recife (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Regina (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Resolute (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Rio Branco (-05) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Santarem (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Santiago (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | DST | -10800 |
| America/Santo Domingo (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Sao Paulo (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| America/Scoresbysund (-01) | Dec 07 2021 16:18:42 | GMT -01:00 | -3600 | |
| America/Sitka (AKST) | Dec 07 2021 08:18:42 | GMT -09:00 | -32400 | |
| America/St Barthelemy (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/St Johns (NST) | Dec 07 2021 13:48:42 | GMT -03:30 | -12600 | |
| America/St Kitts (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/St Lucia (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/St Thomas (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/St Vincent (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Swift Current (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Tegucigalpa (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Thule (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Thunder Bay (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Tijuana (PST) | Dec 07 2021 09:18:42 | GMT -08:00 | -28800 | |
| America/Toronto (EST) | Dec 07 2021 12:18:42 | GMT -05:00 | -18000 | |
| America/Tortola (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| America/Vancouver (PST) | Dec 07 2021 09:18:42 | GMT -08:00 | -28800 | |
| America/Whitehorse (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| America/Winnipeg (CST) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| America/Yakutat (AKST) | Dec 07 2021 08:18:42 | GMT -09:00 | -32400 | |
| America/Yellowknife (MST) | Dec 07 2021 10:18:42 | GMT -07:00 | -25200 | |
| Antarctica | ||||
| Antarctica/Casey (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Antarctica/Davis (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Antarctica/DumontDUrville (+10) | Dec 08 2021 03:18:42 | GMT +10:00 | +36000 | |
| Antarctica/Macquarie (AEDT) | Dec 08 2021 04:18:42 | GMT +11:00 | DST | +39600 |
| Antarctica/Mawson (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Antarctica/McMurdo (NZDT) | Dec 08 2021 06:18:42 | GMT +13:00 | DST | +46800 |
| Antarctica/Palmer (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| Antarctica/Rothera (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| Antarctica/Syowa (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Antarctica/Troll (+00) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Antarctica/Vostok (+06) | Dec 07 2021 23:18:42 | GMT +06:00 | +21600 | |
| Arctic | ||||
| Arctic/Longyearbyen (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Asia | ||||
| Asia/Aden (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Asia/Almaty (+06) | Dec 07 2021 23:18:42 | GMT +06:00 | +21600 | |
| Asia/Amman (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Asia/Anadyr (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| Asia/Aqtau (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Aqtobe (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Ashgabat (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Atyrau (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Baghdad (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Asia/Bahrain (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Asia/Baku (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Asia/Bangkok (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Barnaul (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Beirut (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Asia/Bishkek (+06) | Dec 07 2021 23:18:42 | GMT +06:00 | +21600 | |
| Asia/Brunei (+08) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Chita (+09) | Dec 08 2021 02:18:42 | GMT +09:00 | +32400 | |
| Asia/Choibalsan (+08) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Colombo (+0530) | Dec 07 2021 22:48:42 | GMT +05:30 | +19800 | |
| Asia/Damascus (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Asia/Dhaka (+06) | Dec 07 2021 23:18:42 | GMT +06:00 | +21600 | |
| Asia/Dili (+09) | Dec 08 2021 02:18:42 | GMT +09:00 | +32400 | |
| Asia/Dubai (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Asia/Dushanbe (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Famagusta (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Asia/Gaza (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Asia/Hebron (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Asia/Ho Chi Minh (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Hong Kong (HKT) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Hovd (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Irkutsk (+08) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Jakarta (WIB) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Jayapura (WIT) | Dec 08 2021 02:18:42 | GMT +09:00 | +32400 | |
| Asia/Jerusalem (IST) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Asia/Kabul (+0430) | Dec 07 2021 21:48:42 | GMT +04:30 | +16200 | |
| Asia/Kamchatka (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| Asia/Karachi (PKT) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Kathmandu (+0545) | Dec 07 2021 23:03:42 | GMT +05:45 | +20700 | |
| Asia/Khandyga (+09) | Dec 08 2021 02:18:42 | GMT +09:00 | +32400 | |
| Asia/Kolkata (IST) | Dec 07 2021 22:48:42 | GMT +05:30 | +19800 | |
| Asia/Krasnoyarsk (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Kuala Lumpur (+08) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Kuching (+08) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Kuwait (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Asia/Macau (CST) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Magadan (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Asia/Makassar (WITA) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Manila (PST) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Muscat (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Asia/Nicosia (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Asia/Novokuznetsk (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Novosibirsk (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Omsk (+06) | Dec 07 2021 23:18:42 | GMT +06:00 | +21600 | |
| Asia/Oral (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Phnom Penh (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Pontianak (WIB) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Pyongyang (KST) | Dec 08 2021 02:18:42 | GMT +09:00 | +32400 | |
| Asia/Qatar (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Asia/Qostanay (+06) | Dec 07 2021 23:18:42 | GMT +06:00 | +21600 | |
| Asia/Qyzylorda (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Riyadh (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Asia/Sakhalin (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Asia/Samarkand (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Seoul (KST) | Dec 08 2021 02:18:42 | GMT +09:00 | +32400 | |
| Asia/Shanghai (CST) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Singapore (+08) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Srednekolymsk (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Asia/Taipei (CST) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Tashkent (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Tbilisi (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Asia/Tehran (+0330) | Dec 07 2021 20:48:42 | GMT +03:30 | +12600 | |
| Asia/Thimphu (+06) | Dec 07 2021 23:18:42 | GMT +06:00 | +21600 | |
| Asia/Tokyo (JST) | Dec 08 2021 02:18:42 | GMT +09:00 | +32400 | |
| Asia/Tomsk (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Ulaanbaatar (+08) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Asia/Urumqi (+06) | Dec 07 2021 23:18:42 | GMT +06:00 | +21600 | |
| Asia/Ust-Nera (+10) | Dec 08 2021 03:18:42 | GMT +10:00 | +36000 | |
| Asia/Vientiane (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Asia/Vladivostok (+10) | Dec 08 2021 03:18:42 | GMT +10:00 | +36000 | |
| Asia/Yakutsk (+09) | Dec 08 2021 02:18:42 | GMT +09:00 | +32400 | |
| Asia/Yangon (+0630) | Dec 07 2021 23:48:42 | GMT +06:30 | +23400 | |
| Asia/Yekaterinburg (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Asia/Yerevan (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Atlantic | ||||
| Atlantic/Azores (-01) | Dec 07 2021 16:18:42 | GMT -01:00 | -3600 | |
| Atlantic/Bermuda (AST) | Dec 07 2021 13:18:42 | GMT -04:00 | -14400 | |
| Atlantic/Canary (WET) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Atlantic/Cape Verde (-01) | Dec 07 2021 16:18:42 | GMT -01:00 | -3600 | |
| Atlantic/Faroe (WET) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Atlantic/Madeira (WET) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Atlantic/Reykjavik (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Atlantic/South Georgia (-02) | Dec 07 2021 15:18:42 | GMT -02:00 | -7200 | |
| Atlantic/St Helena (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Atlantic/Stanley (-03) | Dec 07 2021 14:18:42 | GMT -03:00 | -10800 | |
| Australia | ||||
| Australia/Adelaide (ACDT) | Dec 08 2021 03:48:42 | GMT +10:30 | DST | +37800 |
| Australia/Brisbane (AEST) | Dec 08 2021 03:18:42 | GMT +10:00 | +36000 | |
| Australia/Broken Hill (ACDT) | Dec 08 2021 03:48:42 | GMT +10:30 | DST | +37800 |
| Australia/Darwin (ACST) | Dec 08 2021 02:48:42 | GMT +09:30 | +34200 | |
| Australia/Eucla (+0845) | Dec 08 2021 02:03:42 | GMT +08:45 | +31500 | |
| Australia/Hobart (AEDT) | Dec 08 2021 04:18:42 | GMT +11:00 | DST | +39600 |
| Australia/Lindeman (AEST) | Dec 08 2021 03:18:42 | GMT +10:00 | +36000 | |
| Australia/Lord Howe (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | DST | +39600 |
| Australia/Melbourne (AEDT) | Dec 08 2021 04:18:42 | GMT +11:00 | DST | +39600 |
| Australia/Perth (AWST) | Dec 08 2021 01:18:42 | GMT +08:00 | +28800 | |
| Australia/Sydney (AEDT) | Dec 08 2021 04:18:42 | GMT +11:00 | DST | +39600 |
| Europe | ||||
| Europe/Amsterdam (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Andorra (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Astrakhan (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Europe/Athens (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Belgrade (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Berlin (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Bratislava (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Brussels (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Bucharest (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Budapest (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Busingen (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Chisinau (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Copenhagen (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Dublin (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | DST | 0 |
| Europe/Gibraltar (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Guernsey (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Europe/Helsinki (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Isle of Man (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Europe/Istanbul (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Europe/Jersey (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Europe/Kaliningrad (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Kiev (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Kirov (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Europe/Lisbon (WET) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Europe/Ljubljana (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/London (GMT) | Dec 07 2021 17:18:42 | GMT +00:00 | 0 | |
| Europe/Luxembourg (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Madrid (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Malta (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Mariehamn (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Minsk (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Europe/Monaco (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Moscow (MSK) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Europe/Oslo (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Paris (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Podgorica (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Prague (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Riga (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Rome (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Samara (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Europe/San Marino (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Sarajevo (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Saratov (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Europe/Simferopol (MSK) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Europe/Skopje (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Sofia (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Stockholm (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Tallinn (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Tirane (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Ulyanovsk (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Europe/Uzhgorod (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Vaduz (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Vatican (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Vienna (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Vilnius (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Volgograd (+03) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Europe/Warsaw (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Zagreb (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Europe/Zaporozhye (EET) | Dec 07 2021 19:18:42 | GMT +02:00 | +7200 | |
| Europe/Zurich (CET) | Dec 07 2021 18:18:42 | GMT +01:00 | +3600 | |
| Indian | ||||
| Indian/Antananarivo (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Indian/Chagos (+06) | Dec 07 2021 23:18:42 | GMT +06:00 | +21600 | |
| Indian/Christmas (+07) | Dec 08 2021 00:18:42 | GMT +07:00 | +25200 | |
| Indian/Cocos (+0630) | Dec 07 2021 23:48:42 | GMT +06:30 | +23400 | |
| Indian/Comoro (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Indian/Kerguelen (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Indian/Mahe (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Indian/Maldives (+05) | Dec 07 2021 22:18:42 | GMT +05:00 | +18000 | |
| Indian/Mauritius (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Indian/Mayotte (EAT) | Dec 07 2021 20:18:42 | GMT +03:00 | +10800 | |
| Indian/Reunion (+04) | Dec 07 2021 21:18:42 | GMT +04:00 | +14400 | |
| Pacific | ||||
| Pacific/Apia (+13) | Dec 08 2021 06:18:42 | GMT +13:00 | +46800 | |
| Pacific/Auckland (NZDT) | Dec 08 2021 06:18:42 | GMT +13:00 | DST | +46800 |
| Pacific/Bougainville (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Pacific/Chatham (+1345) | Dec 08 2021 07:03:42 | GMT +13:45 | DST | +49500 |
| Pacific/Chuuk (+10) | Dec 08 2021 03:18:42 | GMT +10:00 | +36000 | |
| Pacific/Easter (-05) | Dec 07 2021 12:18:42 | GMT -05:00 | DST | -18000 |
| Pacific/Efate (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Pacific/Fakaofo (+13) | Dec 08 2021 06:18:42 | GMT +13:00 | +46800 | |
| Pacific/Fiji (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| Pacific/Funafuti (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| Pacific/Galapagos (-06) | Dec 07 2021 11:18:42 | GMT -06:00 | -21600 | |
| Pacific/Gambier (-09) | Dec 07 2021 08:18:42 | GMT -09:00 | -32400 | |
| Pacific/Guadalcanal (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Pacific/Guam (ChST) | Dec 08 2021 03:18:42 | GMT +10:00 | +36000 | |
| Pacific/Honolulu (HST) | Dec 07 2021 07:18:42 | GMT -10:00 | -36000 | |
| Pacific/Kanton (+13) | Dec 08 2021 06:18:42 | GMT +13:00 | +46800 | |
| Pacific/Kiritimati (+14) | Dec 08 2021 07:18:42 | GMT +14:00 | +50400 | |
| Pacific/Kosrae (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Pacific/Kwajalein (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| Pacific/Majuro (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| Pacific/Marquesas (-0930) | Dec 07 2021 07:48:42 | GMT -09:30 | -34200 | |
| Pacific/Midway (SST) | Dec 07 2021 06:18:42 | GMT -11:00 | -39600 | |
| Pacific/Nauru (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| Pacific/Niue (-11) | Dec 07 2021 06:18:42 | GMT -11:00 | -39600 | |
| Pacific/Norfolk (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | DST | +43200 |
| Pacific/Noumea (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Pacific/Pago Pago (SST) | Dec 07 2021 06:18:42 | GMT -11:00 | -39600 | |
| Pacific/Palau (+09) | Dec 08 2021 02:18:42 | GMT +09:00 | +32400 | |
| Pacific/Pitcairn (-08) | Dec 07 2021 09:18:42 | GMT -08:00 | -28800 | |
| Pacific/Pohnpei (+11) | Dec 08 2021 04:18:42 | GMT +11:00 | +39600 | |
| Pacific/Port Moresby (+10) | Dec 08 2021 03:18:42 | GMT +10:00 | +36000 | |
| Pacific/Rarotonga (-10) | Dec 07 2021 07:18:42 | GMT -10:00 | -36000 | |
| Pacific/Saipan (ChST) | Dec 08 2021 03:18:42 | GMT +10:00 | +36000 | |
| Pacific/Tahiti (-10) | Dec 07 2021 07:18:42 | GMT -10:00 | -36000 | |
| Pacific/Tarawa (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| Pacific/Tongatapu (+13) | Dec 08 2021 06:18:42 | GMT +13:00 | +46800 | |
| Pacific/Wake (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| Pacific/Wallis (+12) | Dec 08 2021 05:18:42 | GMT +12:00 | +43200 | |
| UTC (GMT) | ||||
| UTC (UTC) | Dec 07 2021 17:18:42 | 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