介绍


时区是指地球上出于法律、商业和社会目的而遵守统一标准时间的区域。时区通常沿着国家及其下属区域的边界划分，以便于商业或其他通讯密切的地区使用相同的时间。


大多数陆地时区与协调世界时 (UTC) 的偏移量为整数小时（UTC-12:00 至 UTC+14:00），但少数时区偏移量为 30 或 45 分钟（例如，纽芬兰标准时间为 UTC-03:30，尼泊尔标准时间为 UTC+05:45，印度标准时间为 UTC+05:30）。


一些高纬度和温带国家/地区在一年中的部分时间使用夏令时，通常将当地时间调整一小时。许多陆地时区比相应的航海时区向西偏移。这也造成了永久性的夏令时效应。

城市时区


标准偏移量时区代码别名
-11:00Pacific/Apia/
-11:00Pacific/Midway/
-11:00Pacific/Niue/
-11:00Pacific/Pago_PagoPacific/Samoa, US/Samoa
-10:00America/AdakAmerica/Atka, US/Aleutian
-10:00Pacific/Fakaofo/
-10:00Pacific/HonoluluUS/Hawaii
-10:00Pacific/Johnston/
-10:00Pacific/Rarotonga/
-10:00Pacific/Tahiti/
-09:30Pacific/Marquesas/
-09:00America/AnchorageUS/Alaska
-09:00America/Juneau/
-09:00America/Nome/
-09:00America/Yakutat/
-09:00Pacific/Gambier/
-08:00America/Dawson/
-08:00America/Los_AngelesUS/Pacific
-08:00America/Santa_Isabel/
-08:00America/TijuanaAmerica/Ensenada, Mexico/BajaNorte
-08:00America/VancouverCanada/Pacific
-08:00America/WhitehorseCanada/Yukon
-08:00Pacific/Pitcairn/
-07:00America/Boise/
-07:00America/Cambridge_Bay/
-07:00America/Chihuahua/
-07:00America/Dawson_Creek/
-07:00America/DenverAmerica/Shiprock, Navajo, US/Mountain
-07:00America/EdmontonCanada/Mountain
-07:00America/Hermosillo/
-07:00America/Inuvik/
-07:00America/MazatlanMexico/BajaSur
-07:00America/Ojinaga/
-07:00America/PhoenixUS/Arizona
-07:00America/Yellowknife/
-06:00America/Bahia_Banderas/
-06:00America/Belize/
-06:00America/Cancun/
-06:00America/ChicagoUS/Central
-06:00America/Costa_Rica/
-06:00America/El_Salvador/
-06:00America/Guatemala/
-06:00America/Indiana/KnoxAmerica/Knox_IN, US/Indiana-Starke
-06:00America/Indiana/Tell_City/
-06:00America/Managua/
-06:00America/Matamoros/
-06:00America/Menominee/
-06:00America/Merida/
-06:00America/Mexico_CityMexico/General
-06:00America/Monterrey/
-06:00America/North_Dakota/Center/
-06:00America/North_Dakota/New_Salem/
-06:00America/Rainy_River/
-06:00America/Rankin_Inlet/
-06:00America/ReginaCanada/Saskatchewan
-06:00America/Swift_Current/
-06:00America/Tegucigalpa/
-06:00America/WinnipegCanada/Central
-06:00Pacific/EasterChile/EasterIsland
-06:00Pacific/Galapagos/
-05:00America/AtikokanAmerica/Coral_Harbour
-05:00America/Bogota/
-05:00America/Cayman/
-05:00America/DetroitUS/Michigan
-05:00America/Grand_Turk/
-05:00America/Guayaquil/
-05:00America/HavanaCuba
-05:00America/Indiana/IndianapolisAmerica/Fort_Wayne, America/Indianapolis, US/East-Indiana
-05:00America/Indiana/Marengo/
-05:00America/Indiana/Petersburg/
-05:00America/Indiana/Vevay/
-05:00America/Indiana/Vincennes/
-05:00America/Indiana/Winamac/
-05:00America/Iqaluit/
-05:00America/JamaicaJamaica
-05:00America/Kentucky/LouisvilleAmerica/Louisville
-05:00America/Kentucky/Monticello/
-05:00America/Lima/
-05:00America/Montreal/
-05:00America/Nassau/
-05:00America/New_YorkUS/Eastern
-05:00America/Nipigon/
-05:00America/Panama/
-05:00America/Pangnirtung/
-05:00America/Port-au-Prince/
-05:00America/Resolute/
-05:00America/Thunder_Bay/
-05:00America/TorontoCanada/Eastern
-04:30America/Caracas/
-04:00America/Anguilla/
-04:00America/Antigua/
-03:00America/Argentina/San_Luis/
-04:00America/Aruba/
-04:00America/Asuncion/
-04:00America/Barbados/
-04:00America/Blanc-Sablon/
-04:00America/Boa_Vista/
-04:00America/Campo_Grande/
-04:00America/Cuiaba/
-04:00America/Curacao/
-04:00America/Dominica/
-04:00America/Eirunepe/
-04:00America/Glace_Bay/
-04:00America/Goose_Bay/
-04:00America/Grenada/
-04:00America/GuadeloupeAmerica/Marigot, America/St_Barthelemy
-04:00America/Guyana/
-04:00America/HalifaxCanada/Atlantic
-04:00America/La_Paz/
-04:00America/ManausBrazil/West
-04:00America/Martinique/
-04:00America/Moncton/
-04:00America/Montserrat/
-04:00America/Port_of_Spain/
-04:00America/Porto_Velho/
-04:00America/Puerto_Rico/
-04:00America/Rio_BrancoAmerica/Porto_Acre, Brazil/Acre
-04:00America/SantiagoChile/Continental
-04:00America/Santo_Domingo/
-04:00America/St_Kitts/
-04:00America/St_Lucia/
-04:00America/St_ThomasAmerica/Virgin
-04:00America/St_Vincent/
-04:00America/Thule/
-04:00America/Tortola/
-04:00Antarctica/Palmer/
-04:00Atlantic/Bermuda/
-04:00Atlantic/Stanley/
-03:30America/St_JohnsCanada/Newfoundland
-03:00America/Araguaina/
-03:00America/Argentina/Buenos_AiresAmerica/Buenos_Aires
-03:00America/Argentina/CatamarcaAmerica/Argentina/ComodRivadavia, America/Catamarca
-03:00America/Argentina/CordobaAmerica/Cordoba, America/Rosario
-03:00America/Argentina/JujuyAmerica/Jujuy
-03:00America/Argentina/La_Rioja/
-03:00America/Argentina/MendozaAmerica/Mendoza
-03:00America/Argentina/Rio_Gallegos/
-03:00America/Argentina/Salta/
-03:00America/Argentina/San_Juan/
-03:00America/Argentina/Tucuman/
-03:00America/Argentina/Ushuaia/
-03:00America/Bahia/
-03:00America/Belem/
-03:00America/Cayenne/
-03:00America/Fortaleza/
-03:00America/Godthab/
-03:00America/Maceio/
-03:00America/Miquelon/
-03:00America/Montevideo/
-03:00America/Paramaribo/
-03:00America/Recife/
-03:00America/Santarem/
-03:00America/Sao_PauloBrazil/East
-03:00Antarctica/Rothera/
-02:00America/NoronhaBrazil/DeNoronha
-02:00Atlantic/South_Georgia/
-01:00America/Scoresbysund/
-01:00Atlantic/Azores/
-01:00Atlantic/Cape_Verde/
+00:00Africa/Abidjan/
+00:00Africa/Accra/
+00:00Africa/BamakoAfrica/Timbuktu
+00:00Africa/Banjul/
+00:00Africa/Bissau/
+00:00Africa/Casablanca/
+00:00Africa/Conakry/
+00:00Africa/Dakar/
+00:00Africa/El_Aaiun/
+00:00Africa/Freetown/
+00:00Africa/Lome/
+00:00Africa/Monrovia/
+00:00Africa/Nouakchott/
+00:00Africa/Ouagadougou/
+00:00Africa/Sao_Tome/
+00:00America/Danmarkshavn/
+00:00Atlantic/Canary/
+00:00Atlantic/FaroeAtlantic/Faeroe
+00:00Atlantic/Madeira/
+00:00Atlantic/ReykjavikIceland
+00:00Atlantic/St_Helena/
+00:00Europe/DublinEire
+00:00Europe/LisbonPortugal
+00:00Europe/LondonEurope/Belfast, Europe/Guernsey, Europe/Isle_of_Man, Europe/Jersey, GB, GB-Eire
+01:00Africa/Algiers/
+01:00Africa/Bangui/
+01:00Africa/Brazzaville/
+01:00Africa/Ceuta/
+01:00Africa/Douala/
+01:00Africa/Kinshasa/
+01:00Africa/Lagos/
+01:00Africa/Libreville/
+01:00Africa/Luanda/
+01:00Africa/Malabo/
+01:00Africa/Ndjamena/
+01:00Africa/Niamey/
+01:00Africa/Porto-Novo/
+01:00Africa/Tunis/
+01:00Africa/Windhoek/
+01:00Europe/Amsterdam/
+01:00Europe/Andorra/
+01:00Europe/BelgradeEurope/Ljubljana, Europe/Podgorica, Europe/Sarajevo, Europe/Skopje, Europe/Zagreb
+01:00Europe/Berlin/
+01:00Europe/Brussels/
+01:00Europe/Budapest/
+01:00Europe/Copenhagen/
+01:00Europe/Gibraltar/
+01:00Europe/Luxembourg/
+01:00Europe/Madrid/
+01:00Europe/Malta/
+01:00Europe/Monaco/
+01:00Europe/OsloArctic/Longyearbyen, Atlantic/Jan_Mayen
+01:00Europe/Paris/
+01:00Europe/PragueEurope/Bratislava
+01:00Europe/RomeEurope/San_Marino, Europe/Vatican
+01:00Europe/Stockholm/
+01:00Europe/Tirane/
+01:00Europe/Vaduz/
+01:00Europe/Vienna/
+01:00Europe/WarsawPoland
+01:00Europe/Zurich/
+02:00Africa/Blantyre/
+02:00Africa/Bujumbura/
+02:00Africa/CairoEgypt
+02:00Africa/Gaborone/
+02:00Africa/Harare/
+02:00Africa/Johannesburg/
+02:00Africa/Kigali/
+02:00Africa/Lubumbashi/
+02:00Africa/Lusaka/
+02:00Africa/Maputo/
+02:00Africa/Maseru/
+02:00Africa/Mbabane/
+02:00Africa/TripoliLibya
+02:00Asia/Amman/
+02:00Asia/Beirut/
+02:00Asia/Damascus/
+02:00Asia/Gaza/
+02:00Asia/JerusalemAsia/Tel_Aviv, Israel
+02:00Asia/NicosiaEurope/Nicosia
+02:00Europe/Athens/
+02:00Europe/Bucharest/
+02:00Europe/ChisinauEurope/Tiraspol
+02:00Europe/HelsinkiEurope/Mariehamn
+02:00Europe/IstanbulAsia/Istanbul, Turkey
+02:00Europe/Kaliningrad/
+02:00Europe/Kiev/
+02:00Europe/Minsk/
+02:00Europe/Riga/
+02:00Europe/Simferopol/
+02:00Europe/Sofia/
+02:00Europe/Tallinn/
+02:00Europe/Uzhgorod/
+02:00Europe/Vilnius/
+02:00Europe/Zaporozhye/
+03:00Africa/Addis_Ababa/
+03:00Africa/AsmaraAfrica/Asmera
+03:00Africa/Dar_es_Salaam/
+03:00Africa/Djibouti/
+03:00Africa/Kampala/
+03:00Africa/Khartoum/
+03:00Africa/Mogadishu/
+03:00Africa/Nairobi/
+03:00Antarctica/Syowa/
+03:00Asia/Aden/
+03:00Asia/Baghdad/
+03:00Asia/Bahrain/
+03:00Asia/Kuwait/
+03:00Asia/Qatar/
+03:00Asia/Riyadh/
+03:00Europe/MoscowW-SU
+03:00Europe/Samara/
+03:00Europe/Volgograd/
+03:00Indian/Antananarivo/
+03:00Indian/Comoro/
+03:00Indian/Mayotte/
+03:30Asia/TehranIran
+04:00Asia/Baku/
+04:00Asia/Dubai/
+04:00Asia/Muscat/
+04:00Asia/Tbilisi/
+04:00Asia/Yerevan/
+04:00Indian/Mahe/
+04:00Indian/Mauritius/
+04:00Indian/Reunion/
+04:30Asia/Kabul/
+05:00Antarctica/Mawson/
+05:00Asia/Aqtau/
+05:00Asia/Aqtobe/
+05:00Asia/AshgabatAsia/Ashkhabad
+05:00Asia/Dushanbe/
+05:00Asia/Karachi/
+05:00Asia/Oral/
+05:00Asia/Samarkand/
+05:00Asia/Tashkent/
+05:00Asia/Yekaterinburg/
+05:00Indian/Kerguelen/
+05:00Indian/Maldives/
+05:30Asia/Colombo/
+05:30Asia/KolkataAsia/Calcutta
+05:45Asia/KathmanduAsia/Katmandu
+06:00Antarctica/Vostok/
+06:00Asia/Almaty/
+06:00Asia/Bishkek/
+06:00Asia/DhakaAsia/Dacca
+06:00Asia/Novokuznetsk/
+06:00Asia/Novosibirsk/
+06:00Asia/Omsk/
+06:00Asia/Qyzylorda/
+06:00Asia/ThimphuAsia/Thimbu
+06:00Indian/Chagos/
+06:30Asia/Rangoon/
+06:30Indian/Cocos/
+07:00Antarctica/Davis/
+07:00Asia/Bangkok/
+07:00Asia/Ho_Chi_MinhAsia/Saigon
+07:00Asia/Hovd/
+07:00Asia/Jakarta/
+07:00Asia/Krasnoyarsk/
+07:00Asia/Phnom_Penh/
+07:00Asia/Pontianak/
+07:00Asia/Vientiane/
+07:00Indian/Christmas/
+08:00Antarctica/Casey/
+08:00Asia/Brunei/
+08:00Asia/Choibalsan/
+08:00Asia/ChongqingAsia/Chungking
+08:00Asia/Harbin/
+08:00Asia/Hong_KongHongkong
+08:00Asia/Irkutsk/
+08:00Asia/Kashgar/
+08:00Asia/Kuala_Lumpur/
+08:00Asia/Kuching/
+08:00Asia/MacauAsia/Macao
+08:00Asia/MakassarAsia/Ujung_Pandang
+08:00Asia/Manila/
+08:00Asia/ShanghaiPRC
+08:00Asia/SingaporeSingapore
+08:00Asia/TaipeiROC
+08:00Asia/UlaanbaatarAsia/Ulan_Bator
+08:00Asia/Urumqi/
+08:00Australia/PerthAustralia/West
+08:45Australia/Eucla/
+09:00Asia/Dili/
+09:00Asia/Jayapura/
+09:00Asia/Pyongyang/
+09:00Asia/SeoulROK
+09:00Asia/TokyoJapan
+09:00Asia/Yakutsk/
+09:00Pacific/Palau/
+09:30Australia/AdelaideAustralia/South
+09:30Australia/Broken_HillAustralia/Yancowinna
+09:30Australia/DarwinAustralia/North
+10:00Antarctica/DumontDUrville/
+10:00Asia/Sakhalin/
+10:00Asia/Vladivostok/
+10:00Australia/BrisbaneAustralia/Queensland
+10:00Australia/Currie/
+10:00Australia/HobartAustralia/Tasmania
+10:00Australia/Lindeman/
+10:00Australia/MelbourneAustralia/Victoria
+10:00Australia/SydneyAustralia/ACT, Australia/Canberra, Australia/NSW
+10:00Pacific/ChuukPacific/Truk, Pacific/Yap
+10:00Pacific/Guam/
+10:00Pacific/Port_Moresby/
+10:00Pacific/Saipan/
+10:30Australia/Lord_HoweAustralia/LHI
+11:00Antarctica/Macquarie/
+11:00Asia/Anadyr/
+11:00Asia/Kamchatka/
+11:00Asia/Magadan/
+11:00Pacific/Efate/
+11:00Pacific/Guadalcanal/
+11:00Pacific/Kosrae/
+11:00Pacific/Noumea/
+11:00Pacific/PohnpeiPacific/Ponape
+11:30Pacific/Norfolk/
+12:00Antarctica/McMurdoAntarctica/South_Pole
+12:00Pacific/AucklandNZ
+12:00Pacific/Fiji/
+12:00Pacific/Funafuti/
+12:00Pacific/KwajaleinKwajalein
+12:00Pacific/Majuro/
+12:00Pacific/Nauru/
+12:00Pacific/Tarawa/
+12:00Pacific/Wake/
+12:00Pacific/Wallis/
+12:45Pacific/ChathamNZ-CHAT
+13:00Pacific/Enderbury/
+13:00Pacific/Tongatapu/
+14:00Pacific/Kiritimati/