Timezone
Modified on: 2021-10-12 14:25
Introduction
Timezone is a region of the globe that observes a uniform standard time for legal, commercial, and social purposes. Time zones tend to follow the boundaries of countries and their subdivisions because it is convenient for areas in close commercial or other communication to keep the same time.
Most of the time zones on land are offset from Coordinated Universal Time (UTC) by a whole number of hours (UTC−12:00 to UTC+14:00), but a few zones are offset by 30 or 45 minutes (e.g. Newfoundland Standard Time is UTC−03:30, Nepal Standard Time is UTC+05:45, and Indian Standard Time is UTC+05:30).
Some higher latitude and temperate zone countries use daylight saving time for part of the year, typically by adjusting local clock time by an hour. Many land time zones are skewed toward the west of the corresponding nautical time zones. This also creates a permanent daylight saving time effect.
Standard Offset Timezone
Standard Offset | Timezone Code | Aliases |
|---|---|---|
| -12:00 | Etc/GMT+12 | / |
| -11:00 | Etc/GMT+11 | / |
| -10:00 | Etc/GMT+10 | / |
| -09:00 | Etc/GMT+9 | / |
| -08:00 | Etc/GMT+8 | / |
| -07:00 | Etc/GMT+7 | / |
| -06:00 | Etc/GMT+6 | / |
| -05:00 | Etc/GMT+5 | / |
| -04:00 | Etc/GMT+4 | / |
| -03:00 | Etc/GMT+3 | / |
| -02:00 | Etc/GMT+2 | / |
| -01:00 | Etc/GMT+1 | / |
| +00:00 | Etc/GMT | Etc/GMT+0, Etc/GMT-0, Etc/GMT0, Etc/Greenwich, GMT, GMT+0, GMT-0, GMT0, Greenwich |
| +00:00 | Etc/UTC | UTC |
| +00:00 | Etc/UTC | Etc/Universal, Etc/Zulu, Universal, Zulu |
| +01:00 | Etc/GMT-1 | / |
| +02:00 | Etc/GMT-2 | / |
| +03:00 | Etc/GMT-3 | / |
| +04:00 | Etc/GMT-4 | / |
| +05:00 | Etc/GMT-5 | / |
| +06:00 | Etc/GMT-6 | / |
| +07:00 | Etc/GMT-7 | / |
| +08:00 | Etc/GMT-8 | / |
| +09:00 | Etc/GMT-9 | / |
| +10:00 | Etc/GMT-10 | / |
| +11:00 | Etc/GMT-11 | / |
| +12:00 | Etc/GMT-12 | / |
| +13:00 | Etc/GMT-13 | / |
| +14:00 | Etc/GMT-14 | / |
City Timezone
| Standard Offset | Timezone Code | Aliases |
|---|---|---|
| -11:00 | Pacific/Apia | / |
| -11:00 | Pacific/Midway | / |
| -11:00 | Pacific/Niue | / |
| -11:00 | Pacific/Pago_Pago | Pacific/Samoa, US/Samoa |
| -10:00 | America/Adak | America/Atka, US/Aleutian |
| -10:00 | HST | / |
| -10:00 | Pacific/Fakaofo | / |
| -10:00 | Pacific/Honolulu | US/Hawaii |
| -10:00 | Pacific/Johnston | / |
| -10:00 | Pacific/Rarotonga | / |
| -10:00 | Pacific/Tahiti | / |
| -09:30 | Pacific/Marquesas | / |
| -09:00 | America/Anchorage | US/Alaska |
| -09:00 | America/Juneau | / |
| -09:00 | America/Nome | / |
| -09:00 | America/Yakutat | / |
| -09:00 | Pacific/Gambier | / |
| -08:00 | America/Dawson | / |
| -08:00 | America/Los_Angeles | US/Pacific, US/Pacific-New |
| -08:00 | America/Santa_Isabel | / |
| -08:00 | America/Tijuana | America/Ensenada, Mexico/BajaNorte |
| -08:00 | America/Vancouver | Canada/Pacific |
| -08:00 | America/Whitehorse | Canada/Yukon |
| -08:00 | PST8PDT | / |
| -08:00 | Pacific/Pitcairn | / |
| -07:00 | America/Boise | / |
| -07:00 | America/Cambridge_Bay | / |
| -07:00 | America/Chihuahua | / |
| -07:00 | America/Dawson_Creek | / |
| -07:00 | America/Denver | America/Shiprock, Navajo, US/Mountain |
| -07:00 | America/Edmonton | Canada/Mountain |
| -07:00 | America/Hermosillo | / |
| -07:00 | America/Inuvik | / |
| -07:00 | America/Mazatlan | Mexico/BajaSur |
| -07:00 | America/Ojinaga | / |
| -07:00 | America/Phoenix | US/Arizona |
| -07:00 | America/Yellowknife | / |
| -07:00 | MST | / |
| -07:00 | MST7MDT | / |
| -06:00 | America/Bahia_Banderas | / |
| -06:00 | America/Belize | / |
| -06:00 | America/Cancun | / |
| -06:00 | America/Chicago | US/Central |
| -06:00 | America/Costa_Rica | / |
| -06:00 | America/El_Salvador | / |
| -06:00 | America/Guatemala | / |
| -06:00 | America/Indiana/Knox | America/Knox_IN, US/Indiana-Starke |
| -06:00 | America/Indiana/Tell_City | / |
| -06:00 | America/Managua | / |
| -06:00 | America/Matamoros | / |
| -06:00 | America/Menominee | / |
| -06:00 | America/Merida | / |
| -06:00 | America/Mexico_City | Mexico/General |
| -06:00 | America/Monterrey | / |
| -06:00 | America/North_Dakota/Center | / |
| -06:00 | America/North_Dakota/New_Salem | / |
| -06:00 | America/Rainy_River | / |
| -06:00 | America/Rankin_Inlet | / |
| -06:00 | America/Regina | Canada/East-Saskatchewan, Canada/Saskatchewan |
| -06:00 | America/Swift_Current | / |
| -06:00 | America/Tegucigalpa | / |
| -06:00 | America/Winnipeg | Canada/Central |
| -06:00 | CST6CDT | / |
| -06:00 | Pacific/Easter | Chile/EasterIsland |
| -06:00 | Pacific/Galapagos | / |
| -05:00 | America/Atikokan | America/Coral_Harbour |
| -05:00 | America/Bogota | / |
| -05:00 | America/Cayman | / |
| -05:00 | America/Detroit | US/Michigan |
| -05:00 | America/Grand_Turk | / |
| -05:00 | America/Guayaquil | / |
| -05:00 | America/Havana | Cuba |
| -05:00 | America/Indiana/Indianapolis | America/Fort_Wayne, America/Indianapolis, US/East-Indiana |
| -05:00 | America/Indiana/Marengo | / |
| -05:00 | America/Indiana/Petersburg | / |
| -05:00 | America/Indiana/Vevay | / |
| -05:00 | America/Indiana/Vincennes | / |
| -05:00 | America/Indiana/Winamac | / |
| -05:00 | America/Iqaluit | / |
| -05:00 | America/Jamaica | Jamaica |
| -05:00 | America/Kentucky/Louisville | America/Louisville |
| -05:00 | America/Kentucky/Monticello | / |
| -05:00 | America/Lima | / |
| -05:00 | America/Montreal | / |
| -05:00 | America/Nassau | / |
| -05:00 | America/New_York | US/Eastern |
| -05:00 | America/Nipigon | / |
| -05:00 | America/Panama | / |
| -05:00 | America/Pangnirtung | / |
| -05:00 | America/Port-au-Prince | / |
| -05:00 | America/Resolute | / |
| -05:00 | America/Thunder_Bay | / |
| -05:00 | America/Toronto | Canada/Eastern |
| -05:00 | EST | / |
| -05:00 | EST5EDT | / |
| -04:30 | America/Caracas | / |
| -04:00 | America/Anguilla | / |
| -04:00 | America/Antigua | / |
| -03:00 | America/Argentina/San_Luis | / |
| -04:00 | America/Aruba | / |
| -04:00 | America/Asuncion | / |
| -04:00 | America/Barbados | / |
| -04:00 | America/Blanc-Sablon | / |
| -04:00 | America/Boa_Vista | / |
| -04:00 | America/Campo_Grande | / |
| -04:00 | America/Cuiaba | / |
| -04:00 | America/Curacao | / |
| -04:00 | America/Dominica | / |
| -04:00 | America/Eirunepe | / |
| -04:00 | America/Glace_Bay | / |
| -04:00 | America/Goose_Bay | / |
| -04:00 | America/Grenada | / |
| -04:00 | America/Guadeloupe | America/Marigot, America/St_Barthelemy |
| -04:00 | America/Guyana | / |
| -04:00 | America/Halifax | Canada/Atlantic |
| -04:00 | America/La_Paz | / |
| -04:00 | America/Manaus | Brazil/West |
| -04:00 | America/Martinique | / |
| -04:00 | America/Moncton | / |
| -04:00 | America/Montserrat | / |
| -04:00 | America/Port_of_Spain | / |
| -04:00 | America/Porto_Velho | / |
| -04:00 | America/Puerto_Rico | / |
| -04:00 | America/Rio_Branco | America/Porto_Acre, Brazil/Acre |
| -04:00 | America/Santiago | Chile/Continental |
| -04:00 | America/Santo_Domingo | / |
| -04:00 | America/St_Kitts | / |
| -04:00 | America/St_Lucia | / |
| -04:00 | America/St_Thomas | America/Virgin |
| -04:00 | America/St_Vincent | / |
| -04:00 | America/Thule | / |
| -04:00 | America/Tortola | / |
| -04:00 | Antarctica/Palmer | / |
| -04:00 | Atlantic/Bermuda | / |
| -04:00 | Atlantic/Stanley | / |
| -03:30 | America/St_Johns | Canada/Newfoundland |
| -03:00 | America/Araguaina | / |
| -03:00 | America/Argentina/Buenos_Aires | America/Buenos_Aires |
| -03:00 | America/Argentina/Catamarca | America/Argentina/ComodRivadavia, America/Catamarca |
| -03:00 | America/Argentina/Cordoba | America/Cordoba, America/Rosario |
| -03:00 | America/Argentina/Jujuy | America/Jujuy |
| -03:00 | America/Argentina/La_Rioja | / |
| -03:00 | America/Argentina/Mendoza | America/Mendoza |
| -03:00 | America/Argentina/Rio_Gallegos | / |
| -03:00 | America/Argentina/Salta | / |
| -03:00 | America/Argentina/San_Juan | / |
| -03:00 | America/Argentina/Tucuman | / |
| -03:00 | America/Argentina/Ushuaia | / |
| -03:00 | America/Bahia | / |
| -03:00 | America/Belem | / |
| -03:00 | America/Cayenne | / |
| -03:00 | America/Fortaleza | / |
| -03:00 | America/Godthab | / |
| -03:00 | America/Maceio | / |
| -03:00 | America/Miquelon | / |
| -03:00 | America/Montevideo | / |
| -03:00 | America/Paramaribo | / |
| -03:00 | America/Recife | / |
| -03:00 | America/Santarem | / |
| -03:00 | America/Sao_Paulo | Brazil/East |
| -03:00 | Antarctica/Rothera | / |
| -02:00 | America/Noronha | Brazil/DeNoronha |
| -02:00 | Atlantic/South_Georgia | / |
| -01:00 | America/Scoresbysund | / |
| -01:00 | Atlantic/Azores | / |
| -01:00 | Atlantic/Cape_Verde | / |
| +00:00 | Africa/Abidjan | / |
| +00:00 | Africa/Accra | / |
| +00:00 | Africa/Bamako | Africa/Timbuktu |
| +00:00 | Africa/Banjul | / |
| +00:00 | Africa/Bissau | / |
| +00:00 | Africa/Casablanca | / |
| +00:00 | Africa/Conakry | / |
| +00:00 | Africa/Dakar | / |
| +00:00 | Africa/El_Aaiun | / |
| +00:00 | Africa/Freetown | / |
| +00:00 | Africa/Lome | / |
| +00:00 | Africa/Monrovia | / |
| +00:00 | Africa/Nouakchott | / |
| +00:00 | Africa/Ouagadougou | / |
| +00:00 | Africa/Sao_Tome | / |
| +00:00 | America/Danmarkshavn | / |
| +00:00 | Atlantic/Canary | / |
| +00:00 | Atlantic/Faroe | Atlantic/Faeroe |
| +00:00 | Atlantic/Madeira | / |
| +00:00 | Atlantic/Reykjavik | Iceland |
| +00:00 | Atlantic/St_Helena | / |
| +00:00 | Europe/Dublin | Eire |
| +00:00 | Europe/Lisbon | Portugal |
| +00:00 | Europe/London | Europe/Belfast, Europe/Guernsey, Europe/Isle_of_Man, Europe/Jersey, GB, GB-Eire |
| +00:00 | UTC | / |
| +00:00 | WET | / |
| +01:00 | Africa/Algiers | / |
| +01:00 | Africa/Bangui | / |
| +01:00 | Africa/Brazzaville | / |
| +01:00 | Africa/Ceuta | / |
| +01:00 | Africa/Douala | / |
| +01:00 | Africa/Kinshasa | / |
| +01:00 | Africa/Lagos | / |
| +01:00 | Africa/Libreville | / |
| +01:00 | Africa/Luanda | / |
| +01:00 | Africa/Malabo | / |
| +01:00 | Africa/Ndjamena | / |
| +01:00 | Africa/Niamey | / |
| +01:00 | Africa/Porto-Novo | / |
| +01:00 | Africa/Tunis | / |
| +01:00 | Africa/Windhoek | / |
| +01:00 | CET | / |
| +01:00 | Europe/Amsterdam | / |
| +01:00 | Europe/Andorra | / |
| +01:00 | Europe/Belgrade | Europe/Ljubljana, Europe/Podgorica, Europe/Sarajevo, Europe/Skopje, Europe/Zagreb |
| +01:00 | Europe/Berlin | / |
| +01:00 | Europe/Brussels | / |
| +01:00 | Europe/Budapest | / |
| +01:00 | Europe/Copenhagen | / |
| +01:00 | Europe/Gibraltar | / |
| +01:00 | Europe/Luxembourg | / |
| +01:00 | Europe/Madrid | / |
| +01:00 | Europe/Malta | / |
| +01:00 | Europe/Monaco | / |
| +01:00 | Europe/Oslo | Arctic/Longyearbyen, Atlantic/Jan_Mayen |
| +01:00 | Europe/Paris | / |
| +01:00 | Europe/Prague | Europe/Bratislava |
| +01:00 | Europe/Rome | Europe/San_Marino, Europe/Vatican |
| +01:00 | Europe/Stockholm | / |
| +01:00 | Europe/Tirane | / |
| +01:00 | Europe/Vaduz | / |
| +01:00 | Europe/Vienna | / |
| +01:00 | Europe/Warsaw | Poland |
| +01:00 | Europe/Zurich | / |
| +01:00 | MET | / |
| +02:00 | Africa/Blantyre | / |
| +02:00 | Africa/Bujumbura | / |
| +02:00 | Africa/Cairo | Egypt |
| +02:00 | Africa/Gaborone | / |
| +02:00 | Africa/Harare | / |
| +02:00 | Africa/Johannesburg | / |
| +02:00 | Africa/Kigali | / |
| +02:00 | Africa/Lubumbashi | / |
| +02:00 | Africa/Lusaka | / |
| +02:00 | Africa/Maputo | / |
| +02:00 | Africa/Maseru | / |
| +02:00 | Africa/Mbabane | / |
| +02:00 | Africa/Tripoli | Libya |
| +02:00 | Asia/Amman | / |
| +02:00 | Asia/Beirut | / |
| +02:00 | Asia/Damascus | / |
| +02:00 | Asia/Gaza | / |
| +02:00 | Asia/Jerusalem | Asia/Tel_Aviv, Israel |
| +02:00 | Asia/Nicosia | Europe/Nicosia |
| +02:00 | EET | / |
| +02:00 | Europe/Athens | / |
| +02:00 | Europe/Bucharest | / |
| +02:00 | Europe/Chisinau | Europe/Tiraspol |
| +02:00 | Europe/Helsinki | Europe/Mariehamn |
| +02:00 | Europe/Istanbul | Asia/Istanbul, Turkey |
| +02:00 | Europe/Kaliningrad | / |
| +02:00 | Europe/Kiev | / |
| +02:00 | Europe/Minsk | / |
| +02:00 | Europe/Riga | / |
| +02:00 | Europe/Simferopol | / |
| +02:00 | Europe/Sofia | / |
| +02:00 | Europe/Tallinn | / |
| +02:00 | Europe/Uzhgorod | / |
| +02:00 | Europe/Vilnius | / |
| +02:00 | Europe/Zaporozhye | / |
| +03:00 | Africa/Addis_Ababa | / |
| +03:00 | Africa/Asmara | Africa/Asmera |
| +03:00 | Africa/Dar_es_Salaam | / |
| +03:00 | Africa/Djibouti | / |
| +03:00 | Africa/Kampala | / |
| +03:00 | Africa/Khartoum | / |
| +03:00 | Africa/Mogadishu | / |
| +03:00 | Africa/Nairobi | / |
| +03:00 | Antarctica/Syowa | / |
| +03:00 | Asia/Aden | / |
| +03:00 | Asia/Baghdad | / |
| +03:00 | Asia/Bahrain | / |
| +03:00 | Asia/Kuwait | / |
| +03:00 | Asia/Qatar | / |
| +03:00 | Asia/Riyadh | / |
| +03:00 | Europe/Moscow | W-SU |
| +03:00 | Europe/Samara | / |
| +03:00 | Europe/Volgograd | / |
| +03:00 | Indian/Antananarivo | / |
| +03:00 | Indian/Comoro | / |
| +03:00 | Indian/Mayotte | / |
| +03:30 | Asia/Tehran | Iran |
| +04:00 | Asia/Baku | / |
| +04:00 | Asia/Dubai | / |
| +04:00 | Asia/Muscat | / |
| +04:00 | Asia/Tbilisi | / |
| +04:00 | Asia/Yerevan | / |
| +04:00 | Indian/Mahe | / |
| +04:00 | Indian/Mauritius | / |
| +04:00 | Indian/Reunion | / |
| +04:30 | Asia/Kabul | / |
| +05:00 | Antarctica/Mawson | / |
| +05:00 | Asia/Aqtau | / |
| +05:00 | Asia/Aqtobe | / |
| +05:00 | Asia/Ashgabat | Asia/Ashkhabad |
| +05:00 | Asia/Dushanbe | / |
| +05:00 | Asia/Karachi | / |
| +05:00 | Asia/Oral | / |
| +05:00 | Asia/Samarkand | / |
| +05:00 | Asia/Tashkent | / |
| +05:00 | Asia/Yekaterinburg | / |
| +05:00 | Indian/Kerguelen | / |
| +05:00 | Indian/Maldives | / |
| +05:30 | Asia/Colombo | / |
| +05:30 | Asia/Kolkata | Asia/Calcutta |
| +05:45 | Asia/Kathmandu | Asia/Katmandu |
| +06:00 | Antarctica/Vostok | / |
| +06:00 | Asia/Almaty | / |
| +06:00 | Asia/Bishkek | / |
| +06:00 | Asia/Dhaka | Asia/Dacca |
| +06:00 | Asia/Novokuznetsk | / |
| +06:00 | Asia/Novosibirsk | / |
| +06:00 | Asia/Omsk | / |
| +06:00 | Asia/Qyzylorda | / |
| +06:00 | Asia/Thimphu | Asia/Thimbu |
| +06:00 | Indian/Chagos | / |
| +06:30 | Asia/Rangoon | / |
| +06:30 | Indian/Cocos | / |
| +07:00 | Antarctica/Davis | / |
| +07:00 | Asia/Bangkok | / |
| +07:00 | Asia/Ho_Chi_Minh | Asia/Saigon |
| +07:00 | Asia/Hovd | / |
| +07:00 | Asia/Jakarta | / |
| +07:00 | Asia/Krasnoyarsk | / |
| +07:00 | Asia/Phnom_Penh | / |
| +07:00 | Asia/Pontianak | / |
| +07:00 | Asia/Vientiane | / |
| +07:00 | Indian/Christmas | / |
| +08:00 | Antarctica/Casey | / |
| +08:00 | Asia/Brunei | / |
| +08:00 | Asia/Choibalsan | / |
| +08:00 | Asia/Chongqing | Asia/Chungking |
| +08:00 | Asia/Harbin | / |
| +08:00 | Asia/Hong_Kong | Hongkong |
| +08:00 | Asia/Irkutsk | / |
| +08:00 | Asia/Kashgar | / |
| +08:00 | Asia/Kuala_Lumpur | / |
| +08:00 | Asia/Kuching | / |
| +08:00 | Asia/Macau | Asia/Macao |
| +08:00 | Asia/Makassar | Asia/Ujung_Pandang |
| +08:00 | Asia/Manila | / |
| +08:00 | Asia/Shanghai | PRC |
| +08:00 | Asia/Singapore | Singapore |
| +08:00 | Asia/Taipei | ROC |
| +08:00 | Asia/Ulaanbaatar | Asia/Ulan_Bator |
| +08:00 | Asia/Urumqi | / |
| +08:00 | Australia/Perth | Australia/West |
| +08:45 | Australia/Eucla | / |
| +09:00 | Asia/Dili | / |
| +09:00 | Asia/Jayapura | / |
| +09:00 | Asia/Pyongyang | / |
| +09:00 | Asia/Seoul | ROK |
| +09:00 | Asia/Tokyo | Japan |
| +09:00 | Asia/Yakutsk | / |
| +09:00 | Pacific/Palau | / |
| +09:30 | Australia/Adelaide | Australia/South |
| +09:30 | Australia/Broken_Hill | Australia/Yancowinna |
| +09:30 | Australia/Darwin | Australia/North |
| +10:00 | Antarctica/DumontDUrville | / |
| +10:00 | Asia/Sakhalin | / |
| +10:00 | Asia/Vladivostok | / |
| +10:00 | Australia/Brisbane | Australia/Queensland |
| +10:00 | Australia/Currie | / |
| +10:00 | Australia/Hobart | Australia/Tasmania |
| +10:00 | Australia/Lindeman | / |
| +10:00 | Australia/Melbourne | Australia/Victoria |
| +10:00 | Australia/Sydney | Australia/ACT, Australia/Canberra, Australia/NSW |
| +10:00 | Pacific/Chuuk | Pacific/Truk, Pacific/Yap |
| +10:00 | Pacific/Guam | / |
| +10:00 | Pacific/Port_Moresby | / |
| +10:00 | Pacific/Saipan | / |
| +10:30 | Australia/Lord_Howe | Australia/LHI |
| +11:00 | Antarctica/Macquarie | / |
| +11:00 | Asia/Anadyr | / |
| +11:00 | Asia/Kamchatka | / |
| +11:00 | Asia/Magadan | / |
| +11:00 | Pacific/Efate | / |
| +11:00 | Pacific/Guadalcanal | / |
| +11:00 | Pacific/Kosrae | / |
| +11:00 | Pacific/Noumea | / |
| +11:00 | Pacific/Pohnpei | Pacific/Ponape |
| +11:30 | Pacific/Norfolk | / |
| +12:00 | Antarctica/McMurdo | Antarctica/South_Pole |
| +12:00 | Pacific/Auckland | NZ |
| +12:00 | Pacific/Fiji | / |
| +12:00 | Pacific/Funafuti | / |
| +12:00 | Pacific/Kwajalein | Kwajalein |
| +12:00 | Pacific/Majuro | / |
| +12:00 | Pacific/Nauru | / |
| +12:00 | Pacific/Tarawa | / |
| +12:00 | Pacific/Wake | / |
| +12:00 | Pacific/Wallis | / |
| +12:45 | Pacific/Chatham | NZ-CHAT |
| +13:00 | Pacific/Enderbury | / |
| +13:00 | Pacific/Tongatapu | / |
| +14:00 | Pacific/Kiritimati | / |
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