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 (1545514563)
1545514563 converts to Saturday December 22, 2018 15:36:03 (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 1545514563 (Dec 22 2018 21:36:03 UTC/GMT).
| Region (time zone) | Converted timestamp 1545514563 |
Relative to UTC/ |
Date in DST |
Offset In seconds |
|---|---|---|---|---|
| Africa | ||||
| Africa/Abidjan (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Accra (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Addis Ababa (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Africa/Algiers (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Asmara (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Africa/Bamako (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Bangui (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Banjul (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Bissau (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Blantyre (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Brazzaville (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Bujumbura (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Cairo (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Casablanca (+01) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Ceuta (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Conakry (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Dakar (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Dar es Salaam (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Africa/Djibouti (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Africa/Douala (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/El Aaiun (+01) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Freetown (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Gaborone (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Harare (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Johannesburg (SAST) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Juba (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Africa/Kampala (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Africa/Khartoum (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Kigali (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Kinshasa (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Lagos (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Libreville (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Lome (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Luanda (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Lubumbashi (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Lusaka (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Malabo (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Maputo (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Maseru (SAST) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Mbabane (SAST) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Mogadishu (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Africa/Monrovia (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Nairobi (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Africa/Ndjamena (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Niamey (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Nouakchott (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Ouagadougou (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Africa/Porto-Novo (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Sao Tome (WAT) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Tripoli (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Africa/Tunis (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Africa/Windhoek (CAT) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| America | ||||
| America/Adak (HST) | Dec 22 2018 11:36:03 | GMT -10:00 | -36000 | |
| America/Anchorage (AKST) | Dec 22 2018 12:36:03 | GMT -09:00 | -32400 | |
| America/Anguilla (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Antigua (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Araguaina (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/Buenos Aires (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/Catamarca (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/Cordoba (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/Jujuy (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/La Rioja (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/Mendoza (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/Rio Gallegos (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/Salta (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/San Juan (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/San Luis (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/Tucuman (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Argentina/Ushuaia (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Aruba (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Asuncion (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | DST | -10800 |
| America/Atikokan (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Bahia (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Bahia Banderas (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Barbados (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Belem (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Belize (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Blanc-Sablon (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Boa Vista (-04) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Bogota (-05) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Boise (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Cambridge Bay (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Campo Grande (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | DST | -10800 |
| America/Cancun (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Caracas (-04) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Cayenne (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Cayman (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Chicago (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Chihuahua (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Costa Rica (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Creston (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Cuiaba (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | DST | -10800 |
| America/Curacao (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Danmarkshavn (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| America/Dawson (PST) | Dec 22 2018 13:36:03 | GMT -08:00 | -28800 | |
| America/Dawson Creek (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Denver (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Detroit (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Dominica (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Edmonton (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Eirunepe (-05) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/El Salvador (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Fort Nelson (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Fortaleza (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Glace Bay (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Goose Bay (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Grand Turk (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Grenada (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Guadeloupe (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Guatemala (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Guayaquil (-05) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Guyana (-04) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Halifax (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Havana (CST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Hermosillo (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Indiana/Indianapolis (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Indiana/Knox (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Indiana/Marengo (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Indiana/Petersburg (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Indiana/Tell City (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Indiana/Vevay (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Indiana/Vincennes (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Indiana/Winamac (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Inuvik (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Iqaluit (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Jamaica (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Juneau (AKST) | Dec 22 2018 12:36:03 | GMT -09:00 | -32400 | |
| America/Kentucky/Louisville (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Kentucky/Monticello (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Kralendijk (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/La Paz (-04) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Lima (-05) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Los Angeles (PST) | Dec 22 2018 13:36:03 | GMT -08:00 | -28800 | |
| America/Lower Princes (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Maceio (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Managua (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Manaus (-04) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Marigot (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Martinique (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Matamoros (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Mazatlan (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Menominee (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Merida (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Metlakatla (PST) | Dec 22 2018 13:36:03 | GMT -08:00 | -28800 | |
| America/Mexico City (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Miquelon (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Moncton (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Monterrey (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Montevideo (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Montserrat (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Nassau (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/New York (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Nipigon (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Nome (AKST) | Dec 22 2018 12:36:03 | GMT -09:00 | -32400 | |
| America/Noronha (-02) | Dec 22 2018 19:36:03 | GMT -02:00 | -7200 | |
| America/North Dakota/Beulah (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/North Dakota/Center (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/North Dakota/New Salem (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Nuuk (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Ojinaga (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Panama (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Pangnirtung (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Paramaribo (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Phoenix (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| America/Port-au-Prince (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Port of Spain (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Porto Velho (-04) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Puerto Rico (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Punta Arenas (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Rainy River (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Rankin Inlet (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Recife (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Regina (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Resolute (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Rio Branco (-05) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Santarem (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| America/Santiago (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | DST | -10800 |
| America/Santo Domingo (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Sao Paulo (-02) | Dec 22 2018 19:36:03 | GMT -02:00 | DST | -7200 |
| America/Scoresbysund (-01) | Dec 22 2018 20:36:03 | GMT -01:00 | -3600 | |
| America/Sitka (AKST) | Dec 22 2018 12:36:03 | GMT -09:00 | -32400 | |
| America/St Barthelemy (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/St Johns (NST) | Dec 22 2018 18:06:03 | GMT -03:30 | -12600 | |
| America/St Kitts (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/St Lucia (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/St Thomas (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/St Vincent (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Swift Current (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Tegucigalpa (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Thule (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Thunder Bay (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Tijuana (PST) | Dec 22 2018 13:36:03 | GMT -08:00 | -28800 | |
| America/Toronto (EST) | Dec 22 2018 16:36:03 | GMT -05:00 | -18000 | |
| America/Tortola (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| America/Vancouver (PST) | Dec 22 2018 13:36:03 | GMT -08:00 | -28800 | |
| America/Whitehorse (PST) | Dec 22 2018 13:36:03 | GMT -08:00 | -28800 | |
| America/Winnipeg (CST) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| America/Yakutat (AKST) | Dec 22 2018 12:36:03 | GMT -09:00 | -32400 | |
| America/Yellowknife (MST) | Dec 22 2018 14:36:03 | GMT -07:00 | -25200 | |
| Antarctica | ||||
| Antarctica/Casey (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Antarctica/Davis (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Antarctica/DumontDUrville (+10) | Dec 23 2018 07:36:03 | GMT +10:00 | +36000 | |
| Antarctica/Macquarie (AEDT) | Dec 23 2018 08:36:03 | GMT +11:00 | DST | +39600 |
| Antarctica/Mawson (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Antarctica/McMurdo (NZDT) | Dec 23 2018 10:36:03 | GMT +13:00 | DST | +46800 |
| Antarctica/Palmer (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| Antarctica/Rothera (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| Antarctica/Syowa (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Antarctica/Troll (+00) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Antarctica/Vostok (+06) | Dec 23 2018 03:36:03 | GMT +06:00 | +21600 | |
| Arctic | ||||
| Arctic/Longyearbyen (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Asia | ||||
| Asia/Aden (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Asia/Almaty (+06) | Dec 23 2018 03:36:03 | GMT +06:00 | +21600 | |
| Asia/Amman (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Asia/Anadyr (+12) | Dec 23 2018 09:36:03 | GMT +12:00 | +43200 | |
| Asia/Aqtau (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Aqtobe (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Ashgabat (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Atyrau (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Baghdad (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Asia/Bahrain (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Asia/Baku (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Asia/Bangkok (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Barnaul (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Beirut (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Asia/Bishkek (+06) | Dec 23 2018 03:36:03 | GMT +06:00 | +21600 | |
| Asia/Brunei (+08) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Chita (+09) | Dec 23 2018 06:36:03 | GMT +09:00 | +32400 | |
| Asia/Choibalsan (+08) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Colombo (+0530) | Dec 23 2018 03:06:03 | GMT +05:30 | +19800 | |
| Asia/Damascus (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Asia/Dhaka (+06) | Dec 23 2018 03:36:03 | GMT +06:00 | +21600 | |
| Asia/Dili (+09) | Dec 23 2018 06:36:03 | GMT +09:00 | +32400 | |
| Asia/Dubai (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Asia/Dushanbe (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Famagusta (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Asia/Gaza (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Asia/Hebron (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Asia/Ho Chi Minh (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Hong Kong (HKT) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Hovd (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Irkutsk (+08) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Jakarta (WIB) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Jayapura (WIT) | Dec 23 2018 06:36:03 | GMT +09:00 | +32400 | |
| Asia/Jerusalem (IST) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Asia/Kabul (+0430) | Dec 23 2018 02:06:03 | GMT +04:30 | +16200 | |
| Asia/Kamchatka (+12) | Dec 23 2018 09:36:03 | GMT +12:00 | +43200 | |
| Asia/Karachi (PKT) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Kathmandu (+0545) | Dec 23 2018 03:21:03 | GMT +05:45 | +20700 | |
| Asia/Khandyga (+09) | Dec 23 2018 06:36:03 | GMT +09:00 | +32400 | |
| Asia/Kolkata (IST) | Dec 23 2018 03:06:03 | GMT +05:30 | +19800 | |
| Asia/Krasnoyarsk (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Kuala Lumpur (+08) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Kuching (+08) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Kuwait (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Asia/Macau (CST) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Magadan (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Asia/Makassar (WITA) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Manila (PST) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Muscat (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Asia/Nicosia (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Asia/Novokuznetsk (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Novosibirsk (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Omsk (+06) | Dec 23 2018 03:36:03 | GMT +06:00 | +21600 | |
| Asia/Oral (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Phnom Penh (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Pontianak (WIB) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Pyongyang (KST) | Dec 23 2018 06:36:03 | GMT +09:00 | +32400 | |
| Asia/Qatar (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Asia/Qostanay (+06) | Dec 23 2018 03:36:03 | GMT +06:00 | +21600 | |
| Asia/Qyzylorda (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Riyadh (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Asia/Sakhalin (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Asia/Samarkand (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Seoul (KST) | Dec 23 2018 06:36:03 | GMT +09:00 | +32400 | |
| Asia/Shanghai (CST) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Singapore (+08) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Srednekolymsk (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Asia/Taipei (CST) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Tashkent (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Tbilisi (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Asia/Tehran (+0330) | Dec 23 2018 01:06:03 | GMT +03:30 | +12600 | |
| Asia/Thimphu (+06) | Dec 23 2018 03:36:03 | GMT +06:00 | +21600 | |
| Asia/Tokyo (JST) | Dec 23 2018 06:36:03 | GMT +09:00 | +32400 | |
| Asia/Tomsk (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Ulaanbaatar (+08) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Asia/Urumqi (+06) | Dec 23 2018 03:36:03 | GMT +06:00 | +21600 | |
| Asia/Ust-Nera (+10) | Dec 23 2018 07:36:03 | GMT +10:00 | +36000 | |
| Asia/Vientiane (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Asia/Vladivostok (+10) | Dec 23 2018 07:36:03 | GMT +10:00 | +36000 | |
| Asia/Yakutsk (+09) | Dec 23 2018 06:36:03 | GMT +09:00 | +32400 | |
| Asia/Yangon (+0630) | Dec 23 2018 04:06:03 | GMT +06:30 | +23400 | |
| Asia/Yekaterinburg (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Asia/Yerevan (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Atlantic | ||||
| Atlantic/Azores (-01) | Dec 22 2018 20:36:03 | GMT -01:00 | -3600 | |
| Atlantic/Bermuda (AST) | Dec 22 2018 17:36:03 | GMT -04:00 | -14400 | |
| Atlantic/Canary (WET) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Atlantic/Cape Verde (-01) | Dec 22 2018 20:36:03 | GMT -01:00 | -3600 | |
| Atlantic/Faroe (WET) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Atlantic/Madeira (WET) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Atlantic/Reykjavik (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Atlantic/South Georgia (-02) | Dec 22 2018 19:36:03 | GMT -02:00 | -7200 | |
| Atlantic/St Helena (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Atlantic/Stanley (-03) | Dec 22 2018 18:36:03 | GMT -03:00 | -10800 | |
| Australia | ||||
| Australia/Adelaide (ACDT) | Dec 23 2018 08:06:03 | GMT +10:30 | DST | +37800 |
| Australia/Brisbane (AEST) | Dec 23 2018 07:36:03 | GMT +10:00 | +36000 | |
| Australia/Broken Hill (ACDT) | Dec 23 2018 08:06:03 | GMT +10:30 | DST | +37800 |
| Australia/Darwin (ACST) | Dec 23 2018 07:06:03 | GMT +09:30 | +34200 | |
| Australia/Eucla (+0845) | Dec 23 2018 06:21:03 | GMT +08:45 | +31500 | |
| Australia/Hobart (AEDT) | Dec 23 2018 08:36:03 | GMT +11:00 | DST | +39600 |
| Australia/Lindeman (AEST) | Dec 23 2018 07:36:03 | GMT +10:00 | +36000 | |
| Australia/Lord Howe (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | DST | +39600 |
| Australia/Melbourne (AEDT) | Dec 23 2018 08:36:03 | GMT +11:00 | DST | +39600 |
| Australia/Perth (AWST) | Dec 23 2018 05:36:03 | GMT +08:00 | +28800 | |
| Australia/Sydney (AEDT) | Dec 23 2018 08:36:03 | GMT +11:00 | DST | +39600 |
| Europe | ||||
| Europe/Amsterdam (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Andorra (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Astrakhan (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Europe/Athens (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Belgrade (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Berlin (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Bratislava (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Brussels (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Bucharest (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Budapest (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Busingen (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Chisinau (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Copenhagen (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Dublin (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | DST | 0 |
| Europe/Gibraltar (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Guernsey (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Europe/Helsinki (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Isle of Man (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Europe/Istanbul (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Europe/Jersey (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Europe/Kaliningrad (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Kiev (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Kirov (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Europe/Lisbon (WET) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Europe/Ljubljana (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/London (GMT) | Dec 22 2018 21:36:03 | GMT +00:00 | 0 | |
| Europe/Luxembourg (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Madrid (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Malta (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Mariehamn (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Minsk (+03) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Europe/Monaco (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Moscow (MSK) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Europe/Oslo (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Paris (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Podgorica (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Prague (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Riga (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Rome (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Samara (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Europe/San Marino (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Sarajevo (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Saratov (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Europe/Simferopol (MSK) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Europe/Skopje (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Sofia (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Stockholm (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Tallinn (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Tirane (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Ulyanovsk (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Europe/Uzhgorod (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Vaduz (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Vatican (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Vienna (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Vilnius (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Volgograd (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Europe/Warsaw (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Zagreb (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Europe/Zaporozhye (EET) | Dec 22 2018 23:36:03 | GMT +02:00 | +7200 | |
| Europe/Zurich (CET) | Dec 22 2018 22:36:03 | GMT +01:00 | +3600 | |
| Indian | ||||
| Indian/Antananarivo (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Indian/Chagos (+06) | Dec 23 2018 03:36:03 | GMT +06:00 | +21600 | |
| Indian/Christmas (+07) | Dec 23 2018 04:36:03 | GMT +07:00 | +25200 | |
| Indian/Cocos (+0630) | Dec 23 2018 04:06:03 | GMT +06:30 | +23400 | |
| Indian/Comoro (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Indian/Kerguelen (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Indian/Mahe (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Indian/Maldives (+05) | Dec 23 2018 02:36:03 | GMT +05:00 | +18000 | |
| Indian/Mauritius (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Indian/Mayotte (EAT) | Dec 23 2018 00:36:03 | GMT +03:00 | +10800 | |
| Indian/Reunion (+04) | Dec 23 2018 01:36:03 | GMT +04:00 | +14400 | |
| Pacific | ||||
| Pacific/Apia (+14) | Dec 23 2018 11:36:03 | GMT +14:00 | DST | +50400 |
| Pacific/Auckland (NZDT) | Dec 23 2018 10:36:03 | GMT +13:00 | DST | +46800 |
| Pacific/Bougainville (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Pacific/Chatham (+1345) | Dec 23 2018 11:21:03 | GMT +13:45 | DST | +49500 |
| Pacific/Chuuk (+10) | Dec 23 2018 07:36:03 | GMT +10:00 | +36000 | |
| Pacific/Easter (-05) | Dec 22 2018 16:36:03 | GMT -05:00 | DST | -18000 |
| Pacific/Efate (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Pacific/Fakaofo (+13) | Dec 23 2018 10:36:03 | GMT +13:00 | +46800 | |
| Pacific/Fiji (+13) | Dec 23 2018 10:36:03 | GMT +13:00 | DST | +46800 |
| Pacific/Funafuti (+12) | Dec 23 2018 09:36:03 | GMT +12:00 | +43200 | |
| Pacific/Galapagos (-06) | Dec 22 2018 15:36:03 | GMT -06:00 | -21600 | |
| Pacific/Gambier (-09) | Dec 22 2018 12:36:03 | GMT -09:00 | -32400 | |
| Pacific/Guadalcanal (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Pacific/Guam (ChST) | Dec 23 2018 07:36:03 | GMT +10:00 | +36000 | |
| Pacific/Honolulu (HST) | Dec 22 2018 11:36:03 | GMT -10:00 | -36000 | |
| Pacific/Kanton (+13) | Dec 23 2018 10:36:03 | GMT +13:00 | +46800 | |
| Pacific/Kiritimati (+14) | Dec 23 2018 11:36:03 | GMT +14:00 | +50400 | |
| Pacific/Kosrae (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Pacific/Kwajalein (+12) | Dec 23 2018 09:36:03 | GMT +12:00 | +43200 | |
| Pacific/Majuro (+12) | Dec 23 2018 09:36:03 | GMT +12:00 | +43200 | |
| Pacific/Marquesas (-0930) | Dec 22 2018 12:06:03 | GMT -09:30 | -34200 | |
| Pacific/Midway (SST) | Dec 22 2018 10:36:03 | GMT -11:00 | -39600 | |
| Pacific/Nauru (+12) | Dec 23 2018 09:36:03 | GMT +12:00 | +43200 | |
| Pacific/Niue (-11) | Dec 22 2018 10:36:03 | GMT -11:00 | -39600 | |
| Pacific/Norfolk (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Pacific/Noumea (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Pacific/Pago Pago (SST) | Dec 22 2018 10:36:03 | GMT -11:00 | -39600 | |
| Pacific/Palau (+09) | Dec 23 2018 06:36:03 | GMT +09:00 | +32400 | |
| Pacific/Pitcairn (-08) | Dec 22 2018 13:36:03 | GMT -08:00 | -28800 | |
| Pacific/Pohnpei (+11) | Dec 23 2018 08:36:03 | GMT +11:00 | +39600 | |
| Pacific/Port Moresby (+10) | Dec 23 2018 07:36:03 | GMT +10:00 | +36000 | |
| Pacific/Rarotonga (-10) | Dec 22 2018 11:36:03 | GMT -10:00 | -36000 | |
| Pacific/Saipan (ChST) | Dec 23 2018 07:36:03 | GMT +10:00 | +36000 | |
| Pacific/Tahiti (-10) | Dec 22 2018 11:36:03 | GMT -10:00 | -36000 | |
| Pacific/Tarawa (+12) | Dec 23 2018 09:36:03 | GMT +12:00 | +43200 | |
| Pacific/Tongatapu (+13) | Dec 23 2018 10:36:03 | GMT +13:00 | +46800 | |
| Pacific/Wake (+12) | Dec 23 2018 09:36:03 | GMT +12:00 | +43200 | |
| Pacific/Wallis (+12) | Dec 23 2018 09:36:03 | GMT +12:00 | +43200 | |
| UTC (GMT) | ||||
| UTC (UTC) | Dec 22 2018 21:36:03 | 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