የዩኒክስ ዘመን (ወይም የዩኒክስ ጊዜ ወይም የ POSIX ጊዜ ወይም የዩኒክስ የጊዜ ማህተም) ከጃንዋሪ 1, 1970 (እኩለ ሌሊት ዩቲሲ/ጂኤምቲ) ያለፉት ሰከንዶች ብዛት ነው፣ የመዝለል ሴኮንድ ሳይቆጠር (በ ISO 8601፡ 1970-01-01T00:00) : 00Z) በጥሬው ዘመኑ ዩኒክስ ሰዓት 0 (እኩለ ሌሊት 1/1/1970) ነው፣ ነገር ግን 'epoch' ብዙ ጊዜ ለዩኒክስ ጊዜ እንደ ተመሳሳይ ቃል ያገለግላል። አንዳንድ ስርዓቶች የኢፖክ ቀኖችን እንደ ፊርማ ባለ 32-ቢት ኢንቲጀር ያከማቻሉ፣ ይህም በጥር 19 ቀን 2038 ችግር ሊፈጥር ይችላል (የ2038 ዓመት ችግር ወይም Y2038 በመባል ይታወቃል)። በዚህ ገጽ ላይ ያለው መቀየሪያ የጊዜ ማህተሞችን በሰከንዶች (10-አሃዝ)፣ በሚሊሰከንዶች (13-አሃዝ) እና በማይክሮ ሰከንዶች (16-አሃዝ) ወደ ሊነበቡ ቀኖች ይለውጣል።
| Human-readable time | Seconds |
|---|---|
| 1 hour | 3600 seconds |
| 1 day | 86400 seconds |
| 1 week | 604800 seconds |
| 1 month (30.44 days) | 2629743 seconds |
| 1 year (365.24 days) | 31556926 seconds |
የዩኒክስ ጊዜ አንድ ብቻ ነው እና የተፈጠረው በUTC/GMT የሰዓት ሰቅ በመጠቀም ነው። ይህ ማለት የጊዜ ማህተሞችን ለማስላት የሰዓት ዞኖችን መቀየር ሊኖርቦት ይችላል። አብዛኛዎቹ የፕሮግራሚንግ ቋንቋዎች የሰዓት ዞኖችን ለመለወጥ የሚያግዙ ቤተ-መጻሕፍት አሏቸው፣ በእጅ ማስላት በተለያዩ የሰዓት ዞኖች እና የቀን ብርሃን ቆጣቢ ጊዜዎች ምክንያት ጥሩ ላይሆን ይችላል። ግን የሰዓት ዞኖች ዝርዝር እና በሰከንዶች ውስጥ ማካካሻዎች እዚህ አሉ።
| Region (time zone) | Relative to UTC/ |
Date in DST | Offset In seconds |
|---|---|---|---|
| Africa | |||
| Africa/Abidjan (GMT) | GMT +00:00 | 0 | |
| Africa/Accra (GMT) | GMT +00:00 | 0 | |
| Africa/Addis Ababa (EAT) | GMT +03:00 | +10800 | |
| Africa/Algiers (CET) | GMT +01:00 | +3600 | |
| Africa/Asmara (EAT) | GMT +03:00 | +10800 | |
| Africa/Bamako (GMT) | GMT +00:00 | 0 | |
| Africa/Bangui (WAT) | GMT +01:00 | +3600 | |
| Africa/Banjul (GMT) | GMT +00:00 | 0 | |
| Africa/Bissau (GMT) | GMT +00:00 | 0 | |
| Africa/Blantyre (CAT) | GMT +02:00 | +7200 | |
| Africa/Brazzaville (WAT) | GMT +01:00 | +3600 | |
| Africa/Bujumbura (CAT) | GMT +02:00 | +7200 | |
| Africa/Cairo (EEST) | GMT +03:00 | DST | +10800 |
| Africa/Casablanca (+01) | GMT +01:00 | +3600 | |
| Africa/Ceuta (CEST) | GMT +02:00 | DST | +7200 |
| Africa/Conakry (GMT) | GMT +00:00 | 0 | |
| Africa/Dakar (GMT) | GMT +00:00 | 0 | |
| Africa/Dar es Salaam (EAT) | GMT +03:00 | +10800 | |
| Africa/Djibouti (EAT) | GMT +03:00 | +10800 | |
| Africa/Douala (WAT) | GMT +01:00 | +3600 | |
| Africa/El Aaiun (+01) | GMT +01:00 | +3600 | |
| Africa/Freetown (GMT) | GMT +00:00 | 0 | |
| Africa/Gaborone (CAT) | GMT +02:00 | +7200 | |
| Africa/Harare (CAT) | GMT +02:00 | +7200 | |
| Africa/Johannesburg (SAST) | GMT +02:00 | +7200 | |
| Africa/Juba (CAT) | GMT +02:00 | +7200 | |
| Africa/Kampala (EAT) | GMT +03:00 | +10800 | |
| Africa/Khartoum (CAT) | GMT +02:00 | +7200 | |
| Africa/Kigali (CAT) | GMT +02:00 | +7200 | |
| Africa/Kinshasa (WAT) | GMT +01:00 | +3600 | |
| Africa/Lagos (WAT) | GMT +01:00 | +3600 | |
| Africa/Libreville (WAT) | GMT +01:00 | +3600 | |
| Africa/Lome (GMT) | GMT +00:00 | 0 | |
| Africa/Luanda (WAT) | GMT +01:00 | +3600 | |
| Africa/Lubumbashi (CAT) | GMT +02:00 | +7200 | |
| Africa/Lusaka (CAT) | GMT +02:00 | +7200 | |
| Africa/Malabo (WAT) | GMT +01:00 | +3600 | |
| Africa/Maputo (CAT) | GMT +02:00 | +7200 | |
| Africa/Maseru (SAST) | GMT +02:00 | +7200 | |
| Africa/Mbabane (SAST) | GMT +02:00 | +7200 | |
| Africa/Mogadishu (EAT) | GMT +03:00 | +10800 | |
| Africa/Monrovia (GMT) | GMT +00:00 | 0 | |
| Africa/Nairobi (EAT) | GMT +03:00 | +10800 | |
| Africa/Ndjamena (WAT) | GMT +01:00 | +3600 | |
| Africa/Niamey (WAT) | GMT +01:00 | +3600 | |
| Africa/Nouakchott (GMT) | GMT +00:00 | 0 | |
| Africa/Ouagadougou (GMT) | GMT +00:00 | 0 | |
| Africa/Porto-Novo (WAT) | GMT +01:00 | +3600 | |
| Africa/Sao Tome (GMT) | GMT +00:00 | 0 | |
| Africa/Tripoli (EET) | GMT +02:00 | +7200 | |
| Africa/Tunis (CET) | GMT +01:00 | +3600 | |
| Africa/Windhoek (CAT) | GMT +02:00 | +7200 | |
| America | |||
| America/Adak (HDT) | GMT -09:00 | DST | -32400 |
| America/Anchorage (AKDT) | GMT -08:00 | DST | -28800 |
| America/Anguilla (AST) | GMT -04:00 | -14400 | |
| America/Antigua (AST) | GMT -04:00 | -14400 | |
| America/Araguaina (-03) | GMT -03:00 | -10800 | |
| America/Argentina/Buenos Aires (-03) | GMT -03:00 | -10800 | |
| America/Argentina/Catamarca (-03) | GMT -03:00 | -10800 | |
| America/Argentina/Cordoba (-03) | GMT -03:00 | -10800 | |
| America/Argentina/Jujuy (-03) | GMT -03:00 | -10800 | |
| America/Argentina/La Rioja (-03) | GMT -03:00 | -10800 | |
| America/Argentina/Mendoza (-03) | GMT -03:00 | -10800 | |
| America/Argentina/Rio Gallegos (-03) | GMT -03:00 | -10800 | |
| America/Argentina/Salta (-03) | GMT -03:00 | -10800 | |
| America/Argentina/San Juan (-03) | GMT -03:00 | -10800 | |
| America/Argentina/San Luis (-03) | GMT -03:00 | -10800 | |
| America/Argentina/Tucuman (-03) | GMT -03:00 | -10800 | |
| America/Argentina/Ushuaia (-03) | GMT -03:00 | -10800 | |
| America/Aruba (AST) | GMT -04:00 | -14400 | |
| America/Asuncion (-04) | GMT -04:00 | -14400 | |
| America/Atikokan (EST) | GMT -05:00 | -18000 | |
| America/Bahia (-03) | GMT -03:00 | -10800 | |
| America/Bahia Banderas (CST) | GMT -06:00 | -21600 | |
| America/Barbados (AST) | GMT -04:00 | -14400 | |
| America/Belem (-03) | GMT -03:00 | -10800 | |
| America/Belize (CST) | GMT -06:00 | -21600 | |
| America/Blanc-Sablon (AST) | GMT -04:00 | -14400 | |
| America/Boa Vista (-04) | GMT -04:00 | -14400 | |
| America/Bogota (-05) | GMT -05:00 | -18000 | |
| America/Boise (MDT) | GMT -06:00 | DST | -21600 |
| America/Cambridge Bay (MDT) | GMT -06:00 | DST | -21600 |
| America/Campo Grande (-04) | GMT -04:00 | -14400 | |
| America/Cancun (EST) | GMT -05:00 | -18000 | |
| America/Caracas (-04) | GMT -04:00 | -14400 | |
| America/Cayenne (-03) | GMT -03:00 | -10800 | |
| America/Cayman (EST) | GMT -05:00 | -18000 | |
| America/Chicago (CDT) | GMT -05:00 | DST | -18000 |
| America/Chihuahua (CST) | GMT -06:00 | -21600 | |
| America/Ciudad Juarez (MDT) | GMT -06:00 | DST | -21600 |
| America/Costa Rica (CST) | GMT -06:00 | -21600 | |
| America/Creston (MST) | GMT -07:00 | -25200 | |
| America/Cuiaba (-04) | GMT -04:00 | -14400 | |
| America/Curacao (AST) | GMT -04:00 | -14400 | |
| America/Danmarkshavn (GMT) | GMT +00:00 | 0 | |
| America/Dawson (MST) | GMT -07:00 | -25200 | |
| America/Dawson Creek (MST) | GMT -07:00 | -25200 | |
| America/Denver (MDT) | GMT -06:00 | DST | -21600 |
| America/Detroit (EDT) | GMT -04:00 | DST | -14400 |
| America/Dominica (AST) | GMT -04:00 | -14400 | |
| America/Edmonton (MDT) | GMT -06:00 | DST | -21600 |
| America/Eirunepe (-05) | GMT -05:00 | -18000 | |
| America/El Salvador (CST) | GMT -06:00 | -21600 | |
| America/Fort Nelson (MST) | GMT -07:00 | -25200 | |
| America/Fortaleza (-03) | GMT -03:00 | -10800 | |
| America/Glace Bay (ADT) | GMT -03:00 | DST | -10800 |
| America/Goose Bay (ADT) | GMT -03:00 | DST | -10800 |
| America/Grand Turk (EDT) | GMT -04:00 | DST | -14400 |
| America/Grenada (AST) | GMT -04:00 | -14400 | |
| America/Guadeloupe (AST) | GMT -04:00 | -14400 | |
| America/Guatemala (CST) | GMT -06:00 | -21600 | |
| America/Guayaquil (-05) | GMT -05:00 | -18000 | |
| America/Guyana (-04) | GMT -04:00 | -14400 | |
| America/Halifax (ADT) | GMT -03:00 | DST | -10800 |
| America/Havana (CDT) | GMT -04:00 | DST | -14400 |
| America/Hermosillo (MST) | GMT -07:00 | -25200 | |
| America/Indiana/Indianapolis (EDT) | GMT -04:00 | DST | -14400 |
| America/Indiana/Knox (CDT) | GMT -05:00 | DST | -18000 |
| America/Indiana/Marengo (EDT) | GMT -04:00 | DST | -14400 |
| America/Indiana/Petersburg (EDT) | GMT -04:00 | DST | -14400 |
| America/Indiana/Tell City (CDT) | GMT -05:00 | DST | -18000 |
| America/Indiana/Vevay (EDT) | GMT -04:00 | DST | -14400 |
| America/Indiana/Vincennes (EDT) | GMT -04:00 | DST | -14400 |
| America/Indiana/Winamac (EDT) | GMT -04:00 | DST | -14400 |
| America/Inuvik (MDT) | GMT -06:00 | DST | -21600 |
| America/Iqaluit (EDT) | GMT -04:00 | DST | -14400 |
| America/Jamaica (EST) | GMT -05:00 | -18000 | |
| America/Juneau (AKDT) | GMT -08:00 | DST | -28800 |
| America/Kentucky/Louisville (EDT) | GMT -04:00 | DST | -14400 |
| America/Kentucky/Monticello (EDT) | GMT -04:00 | DST | -14400 |
| America/Kralendijk (AST) | GMT -04:00 | -14400 | |
| America/La Paz (-04) | GMT -04:00 | -14400 | |
| America/Lima (-05) | GMT -05:00 | -18000 | |
| America/Los Angeles (PDT) | GMT -07:00 | DST | -25200 |
| America/Lower Princes (AST) | GMT -04:00 | -14400 | |
| America/Maceio (-03) | GMT -03:00 | -10800 | |
| America/Managua (CST) | GMT -06:00 | -21600 | |
| America/Manaus (-04) | GMT -04:00 | -14400 | |
| America/Marigot (AST) | GMT -04:00 | -14400 | |
| America/Martinique (AST) | GMT -04:00 | -14400 | |
| America/Matamoros (CDT) | GMT -05:00 | DST | -18000 |
| America/Mazatlan (MST) | GMT -07:00 | -25200 | |
| America/Menominee (CDT) | GMT -05:00 | DST | -18000 |
| America/Merida (CST) | GMT -06:00 | -21600 | |
| America/Metlakatla (AKDT) | GMT -08:00 | DST | -28800 |
| America/Mexico City (CST) | GMT -06:00 | -21600 | |
| America/Miquelon (-02) | GMT -02:00 | DST | -7200 |
| America/Moncton (ADT) | GMT -03:00 | DST | -10800 |
| America/Monterrey (CST) | GMT -06:00 | -21600 | |
| America/Montevideo (-03) | GMT -03:00 | -10800 | |
| America/Montserrat (AST) | GMT -04:00 | -14400 | |
| America/Nassau (EDT) | GMT -04:00 | DST | -14400 |
| America/New York (EDT) | GMT -04:00 | DST | -14400 |
| America/Nome (AKDT) | GMT -08:00 | DST | -28800 |
| America/Noronha (-02) | GMT -02:00 | -7200 | |
| America/North Dakota/Beulah (CDT) | GMT -05:00 | DST | -18000 |
| America/North Dakota/Center (CDT) | GMT -05:00 | DST | -18000 |
| America/North Dakota/New Salem (CDT) | GMT -05:00 | DST | -18000 |
| America/Nuuk (-01) | GMT -01:00 | DST | -3600 |
| America/Ojinaga (CDT) | GMT -05:00 | DST | -18000 |
| America/Panama (EST) | GMT -05:00 | -18000 | |
| America/Paramaribo (-03) | GMT -03:00 | -10800 | |
| America/Phoenix (MST) | GMT -07:00 | -25200 | |
| America/Port-au-Prince (EDT) | GMT -04:00 | DST | -14400 |
| America/Port of Spain (AST) | GMT -04:00 | -14400 | |
| America/Porto Velho (-04) | GMT -04:00 | -14400 | |
| America/Puerto Rico (AST) | GMT -04:00 | -14400 | |
| America/Punta Arenas (-03) | GMT -03:00 | -10800 | |
| America/Rankin Inlet (CDT) | GMT -05:00 | DST | -18000 |
| America/Recife (-03) | GMT -03:00 | -10800 | |
| America/Regina (CST) | GMT -06:00 | -21600 | |
| America/Resolute (CDT) | GMT -05:00 | DST | -18000 |
| America/Rio Branco (-05) | GMT -05:00 | -18000 | |
| America/Santarem (-03) | GMT -03:00 | -10800 | |
| America/Santiago (-03) | GMT -03:00 | DST | -10800 |
| America/Santo Domingo (AST) | GMT -04:00 | -14400 | |
| America/Sao Paulo (-03) | GMT -03:00 | -10800 | |
| America/Scoresbysund (-01) | GMT -01:00 | DST | -3600 |
| America/Sitka (AKDT) | GMT -08:00 | DST | -28800 |
| America/St Barthelemy (AST) | GMT -04:00 | -14400 | |
| America/St Johns (NDT) | GMT -02:30 | DST | -9000 |
| America/St Kitts (AST) | GMT -04:00 | -14400 | |
| America/St Lucia (AST) | GMT -04:00 | -14400 | |
| America/St Thomas (AST) | GMT -04:00 | -14400 | |
| America/St Vincent (AST) | GMT -04:00 | -14400 | |
| America/Swift Current (CST) | GMT -06:00 | -21600 | |
| America/Tegucigalpa (CST) | GMT -06:00 | -21600 | |
| America/Thule (ADT) | GMT -03:00 | DST | -10800 |
| America/Tijuana (PDT) | GMT -07:00 | DST | -25200 |
| America/Toronto (EDT) | GMT -04:00 | DST | -14400 |
| America/Tortola (AST) | GMT -04:00 | -14400 | |
| America/Vancouver (PDT) | GMT -07:00 | DST | -25200 |
| America/Whitehorse (MST) | GMT -07:00 | -25200 | |
| America/Winnipeg (CDT) | GMT -05:00 | DST | -18000 |
| America/Yakutat (AKDT) | GMT -08:00 | DST | -28800 |
| Antarctica | |||
| Antarctica/Casey (+08) | GMT +08:00 | +28800 | |
| Antarctica/Davis (+07) | GMT +07:00 | +25200 | |
| Antarctica/DumontDUrville (+10) | GMT +10:00 | +36000 | |
| Antarctica/Macquarie (AEST) | GMT +10:00 | +36000 | |
| Antarctica/Mawson (+05) | GMT +05:00 | +18000 | |
| Antarctica/McMurdo (NZST) | GMT +12:00 | +43200 | |
| Antarctica/Palmer (-03) | GMT -03:00 | -10800 | |
| Antarctica/Rothera (-03) | GMT -03:00 | -10800 | |
| Antarctica/Syowa (+03) | GMT +03:00 | +10800 | |
| Antarctica/Troll (+02) | GMT +02:00 | DST | +7200 |
| Antarctica/Vostok (+05) | GMT +05:00 | +18000 | |
| Arctic | |||
| Arctic/Longyearbyen (CEST) | GMT +02:00 | DST | +7200 |
| Asia | |||
| Asia/Aden (+03) | GMT +03:00 | +10800 | |
| Asia/Almaty (+05) | GMT +05:00 | +18000 | |
| Asia/Amman (+03) | GMT +03:00 | +10800 | |
| Asia/Anadyr (+12) | GMT +12:00 | +43200 | |
| Asia/Aqtau (+05) | GMT +05:00 | +18000 | |
| Asia/Aqtobe (+05) | GMT +05:00 | +18000 | |
| Asia/Ashgabat (+05) | GMT +05:00 | +18000 | |
| Asia/Atyrau (+05) | GMT +05:00 | +18000 | |
| Asia/Baghdad (+03) | GMT +03:00 | +10800 | |
| Asia/Bahrain (+03) | GMT +03:00 | +10800 | |
| Asia/Baku (+04) | GMT +04:00 | +14400 | |
| Asia/Bangkok (+07) | GMT +07:00 | +25200 | |
| Asia/Barnaul (+07) | GMT +07:00 | +25200 | |
| Asia/Beirut (EEST) | GMT +03:00 | DST | +10800 |
| Asia/Bishkek (+06) | GMT +06:00 | +21600 | |
| Asia/Brunei (+08) | GMT +08:00 | +28800 | |
| Asia/Chita (+09) | GMT +09:00 | +32400 | |
| Asia/Choibalsan (+08) | GMT +08:00 | +28800 | |
| Asia/Colombo (+0530) | GMT +05:30 | +19800 | |
| Asia/Damascus (+03) | GMT +03:00 | +10800 | |
| Asia/Dhaka (+06) | GMT +06:00 | +21600 | |
| Asia/Dili (+09) | GMT +09:00 | +32400 | |
| Asia/Dubai (+04) | GMT +04:00 | +14400 | |
| Asia/Dushanbe (+05) | GMT +05:00 | +18000 | |
| Asia/Famagusta (EEST) | GMT +03:00 | DST | +10800 |
| Asia/Gaza (EEST) | GMT +03:00 | DST | +10800 |
| Asia/Hebron (EEST) | GMT +03:00 | DST | +10800 |
| Asia/Ho Chi Minh (+07) | GMT +07:00 | +25200 | |
| Asia/Hong Kong (HKT) | GMT +08:00 | +28800 | |
| Asia/Hovd (+07) | GMT +07:00 | +25200 | |
| Asia/Irkutsk (+08) | GMT +08:00 | +28800 | |
| Asia/Jakarta (WIB) | GMT +07:00 | +25200 | |
| Asia/Jayapura (WIT) | GMT +09:00 | +32400 | |
| Asia/Jerusalem (IDT) | GMT +03:00 | DST | +10800 |
| Asia/Kabul (+0430) | GMT +04:30 | +16200 | |
| Asia/Kamchatka (+12) | GMT +12:00 | +43200 | |
| Asia/Karachi (PKT) | GMT +05:00 | +18000 | |
| Asia/Kathmandu (+0545) | GMT +05:45 | +20700 | |
| Asia/Khandyga (+09) | GMT +09:00 | +32400 | |
| Asia/Kolkata (IST) | GMT +05:30 | +19800 | |
| Asia/Krasnoyarsk (+07) | GMT +07:00 | +25200 | |
| Asia/Kuala Lumpur (+08) | GMT +08:00 | +28800 | |
| Asia/Kuching (+08) | GMT +08:00 | +28800 | |
| Asia/Kuwait (+03) | GMT +03:00 | +10800 | |
| Asia/Macau (CST) | GMT +08:00 | +28800 | |
| Asia/Magadan (+11) | GMT +11:00 | +39600 | |
| Asia/Makassar (WITA) | GMT +08:00 | +28800 | |
| Asia/Manila (PST) | GMT +08:00 | +28800 | |
| Asia/Muscat (+04) | GMT +04:00 | +14400 | |
| Asia/Nicosia (EEST) | GMT +03:00 | DST | +10800 |
| Asia/Novokuznetsk (+07) | GMT +07:00 | +25200 | |
| Asia/Novosibirsk (+07) | GMT +07:00 | +25200 | |
| Asia/Omsk (+06) | GMT +06:00 | +21600 | |
| Asia/Oral (+05) | GMT +05:00 | +18000 | |
| Asia/Phnom Penh (+07) | GMT +07:00 | +25200 | |
| Asia/Pontianak (WIB) | GMT +07:00 | +25200 | |
| Asia/Pyongyang (KST) | GMT +09:00 | +32400 | |
| Asia/Qatar (+03) | GMT +03:00 | +10800 | |
| Asia/Qostanay (+05) | GMT +05:00 | +18000 | |
| Asia/Qyzylorda (+05) | GMT +05:00 | +18000 | |
| Asia/Riyadh (+03) | GMT +03:00 | +10800 | |
| Asia/Sakhalin (+11) | GMT +11:00 | +39600 | |
| Asia/Samarkand (+05) | GMT +05:00 | +18000 | |
| Asia/Seoul (KST) | GMT +09:00 | +32400 | |
| Asia/Shanghai (CST) | GMT +08:00 | +28800 | |
| Asia/Singapore (+08) | GMT +08:00 | +28800 | |
| Asia/Srednekolymsk (+11) | GMT +11:00 | +39600 | |
| Asia/Taipei (CST) | GMT +08:00 | +28800 | |
| Asia/Tashkent (+05) | GMT +05:00 | +18000 | |
| Asia/Tbilisi (+04) | GMT +04:00 | +14400 | |
| Asia/Tehran (+0330) | GMT +03:30 | +12600 | |
| Asia/Thimphu (+06) | GMT +06:00 | +21600 | |
| Asia/Tokyo (JST) | GMT +09:00 | +32400 | |
| Asia/Tomsk (+07) | GMT +07:00 | +25200 | |
| Asia/Ulaanbaatar (+08) | GMT +08:00 | +28800 | |
| Asia/Urumqi (+06) | GMT +06:00 | +21600 | |
| Asia/Ust-Nera (+10) | GMT +10:00 | +36000 | |
| Asia/Vientiane (+07) | GMT +07:00 | +25200 | |
| Asia/Vladivostok (+10) | GMT +10:00 | +36000 | |
| Asia/Yakutsk (+09) | GMT +09:00 | +32400 | |
| Asia/Yangon (+0630) | GMT +06:30 | +23400 | |
| Asia/Yekaterinburg (+05) | GMT +05:00 | +18000 | |
| Asia/Yerevan (+04) | GMT +04:00 | +14400 | |
| Atlantic | |||
| Atlantic/Azores (+00) | GMT +00:00 | DST | 0 |
| Atlantic/Bermuda (ADT) | GMT -03:00 | DST | -10800 |
| Atlantic/Canary (WEST) | GMT +01:00 | DST | +3600 |
| Atlantic/Cape Verde (-01) | GMT -01:00 | -3600 | |
| Atlantic/Faroe (WEST) | GMT +01:00 | DST | +3600 |
| Atlantic/Madeira (WEST) | GMT +01:00 | DST | +3600 |
| Atlantic/Reykjavik (GMT) | GMT +00:00 | 0 | |
| Atlantic/South Georgia (-02) | GMT -02:00 | -7200 | |
| Atlantic/St Helena (GMT) | GMT +00:00 | 0 | |
| Atlantic/Stanley (-03) | GMT -03:00 | -10800 | |
| Australia | |||
| Australia/Adelaide (ACST) | GMT +09:30 | +34200 | |
| Australia/Brisbane (AEST) | GMT +10:00 | +36000 | |
| Australia/Broken Hill (ACST) | GMT +09:30 | +34200 | |
| Australia/Darwin (ACST) | GMT +09:30 | +34200 | |
| Australia/Eucla (+0845) | GMT +08:45 | +31500 | |
| Australia/Hobart (AEST) | GMT +10:00 | +36000 | |
| Australia/Lindeman (AEST) | GMT +10:00 | +36000 | |
| Australia/Lord Howe (+1030) | GMT +10:30 | +37800 | |
| Australia/Melbourne (AEST) | GMT +10:00 | +36000 | |
| Australia/Perth (AWST) | GMT +08:00 | +28800 | |
| Australia/Sydney (AEST) | GMT +10:00 | +36000 | |
| Europe | |||
| Europe/Amsterdam (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Andorra (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Astrakhan (+04) | GMT +04:00 | +14400 | |
| Europe/Athens (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Belgrade (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Berlin (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Bratislava (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Brussels (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Bucharest (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Budapest (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Busingen (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Chisinau (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Copenhagen (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Dublin (IST) | GMT +01:00 | +3600 | |
| Europe/Gibraltar (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Guernsey (BST) | GMT +01:00 | DST | +3600 |
| Europe/Helsinki (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Isle of Man (BST) | GMT +01:00 | DST | +3600 |
| Europe/Istanbul (+03) | GMT +03:00 | +10800 | |
| Europe/Jersey (BST) | GMT +01:00 | DST | +3600 |
| Europe/Kaliningrad (EET) | GMT +02:00 | +7200 | |
| Europe/Kirov (MSK) | GMT +03:00 | +10800 | |
| Europe/Kyiv (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Lisbon (WEST) | GMT +01:00 | DST | +3600 |
| Europe/Ljubljana (CEST) | GMT +02:00 | DST | +7200 |
| Europe/London (BST) | GMT +01:00 | DST | +3600 |
| Europe/Luxembourg (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Madrid (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Malta (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Mariehamn (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Minsk (+03) | GMT +03:00 | +10800 | |
| Europe/Monaco (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Moscow (MSK) | GMT +03:00 | +10800 | |
| Europe/Oslo (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Paris (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Podgorica (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Prague (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Riga (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Rome (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Samara (+04) | GMT +04:00 | +14400 | |
| Europe/San Marino (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Sarajevo (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Saratov (+04) | GMT +04:00 | +14400 | |
| Europe/Simferopol (MSK) | GMT +03:00 | +10800 | |
| Europe/Skopje (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Sofia (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Stockholm (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Tallinn (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Tirane (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Ulyanovsk (+04) | GMT +04:00 | +14400 | |
| Europe/Vaduz (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Vatican (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Vienna (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Vilnius (EEST) | GMT +03:00 | DST | +10800 |
| Europe/Volgograd (MSK) | GMT +03:00 | +10800 | |
| Europe/Warsaw (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Zagreb (CEST) | GMT +02:00 | DST | +7200 |
| Europe/Zurich (CEST) | GMT +02:00 | DST | +7200 |
| Indian | |||
| Indian/Antananarivo (EAT) | GMT +03:00 | +10800 | |
| Indian/Chagos (+06) | GMT +06:00 | +21600 | |
| Indian/Christmas (+07) | GMT +07:00 | +25200 | |
| Indian/Cocos (+0630) | GMT +06:30 | +23400 | |
| Indian/Comoro (EAT) | GMT +03:00 | +10800 | |
| Indian/Kerguelen (+05) | GMT +05:00 | +18000 | |
| Indian/Mahe (+04) | GMT +04:00 | +14400 | |
| Indian/Maldives (+05) | GMT +05:00 | +18000 | |
| Indian/Mauritius (+04) | GMT +04:00 | +14400 | |
| Indian/Mayotte (EAT) | GMT +03:00 | +10800 | |
| Indian/Reunion (+04) | GMT +04:00 | +14400 | |
| Pacific | |||
| Pacific/Apia (+13) | GMT +13:00 | +46800 | |
| Pacific/Auckland (NZST) | GMT +12:00 | +43200 | |
| Pacific/Bougainville (+11) | GMT +11:00 | +39600 | |
| Pacific/Chatham (+1245) | GMT +12:45 | +45900 | |
| Pacific/Chuuk (+10) | GMT +10:00 | +36000 | |
| Pacific/Easter (-05) | GMT -05:00 | DST | -18000 |
| Pacific/Efate (+11) | GMT +11:00 | +39600 | |
| Pacific/Fakaofo (+13) | GMT +13:00 | +46800 | |
| Pacific/Fiji (+12) | GMT +12:00 | +43200 | |
| Pacific/Funafuti (+12) | GMT +12:00 | +43200 | |
| Pacific/Galapagos (-06) | GMT -06:00 | -21600 | |
| Pacific/Gambier (-09) | GMT -09:00 | -32400 | |
| Pacific/Guadalcanal (+11) | GMT +11:00 | +39600 | |
| Pacific/Guam (ChST) | GMT +10:00 | +36000 | |
| Pacific/Honolulu (HST) | GMT -10:00 | -36000 | |
| Pacific/Kanton (+13) | GMT +13:00 | +46800 | |
| Pacific/Kiritimati (+14) | GMT +14:00 | +50400 | |
| Pacific/Kosrae (+11) | GMT +11:00 | +39600 | |
| Pacific/Kwajalein (+12) | GMT +12:00 | +43200 | |
| Pacific/Majuro (+12) | GMT +12:00 | +43200 | |
| Pacific/Marquesas (-0930) | GMT -09:30 | -34200 | |
| Pacific/Midway (SST) | GMT -11:00 | -39600 | |
| Pacific/Nauru (+12) | GMT +12:00 | +43200 | |
| Pacific/Niue (-11) | GMT -11:00 | -39600 | |
| Pacific/Norfolk (+11) | GMT +11:00 | +39600 | |
| Pacific/Noumea (+11) | GMT +11:00 | +39600 | |
| Pacific/Pago Pago (SST) | GMT -11:00 | -39600 | |
| Pacific/Palau (+09) | GMT +09:00 | +32400 | |
| Pacific/Pitcairn (-08) | GMT -08:00 | -28800 | |
| Pacific/Pohnpei (+11) | GMT +11:00 | +39600 | |
| Pacific/Port Moresby (+10) | GMT +10:00 | +36000 | |
| Pacific/Rarotonga (-10) | GMT -10:00 | -36000 | |
| Pacific/Saipan (ChST) | GMT +10:00 | +36000 | |
| Pacific/Tahiti (-10) | GMT -10:00 | -36000 | |
| Pacific/Tarawa (+12) | GMT +12:00 | +43200 | |
| Pacific/Tongatapu (+13) | GMT +13:00 | +46800 | |
| Pacific/Wake (+12) | GMT +12:00 | +43200 | |
| Pacific/Wallis (+12) | GMT +12:00 | +43200 | |
| UTC (GMT) | |||
| UTC (UTC) | GMT +00:00 | 0 | |