All 312 tz database zones
Each zone is a region whose clocks have agreed since 1970, named after a reference city. Countries with a single zone of their own show its record on the country page; larger countries have a page per zone.
| tz database name | Record | Standard time | Clock changes today |
|---|---|---|---|
Africa/Abidjan | Côte d’Ivoire | UTC+0 | no |
Africa/Algiers | Algeria | UTC+1 | no (last 1980) |
Africa/Bissau | Guinea-Bissau | UTC+0 | no |
Africa/Cairo | Egypt | UTC+2 | yes |
Africa/Casablanca | Morocco | UTC+0 | no (last 2026) |
Africa/Ceuta | Ceuta, Spain | UTC+1 | yes |
Africa/El_Aaiun | Western Sahara | UTC+0 | no (last 2026) |
Africa/Johannesburg | South Africa | UTC+2 | no |
Africa/Juba | South Sudan | UTC+2 | no (last 1985) |
Africa/Khartoum | Sudan | UTC+2 | no (last 1985) |
Africa/Lagos | Nigeria | UTC+1 | no |
Africa/Maputo | Mozambique | UTC+2 | no |
Africa/Monrovia | Liberia | UTC+0 | no |
Africa/Nairobi | Kenya | UTC+3 | no |
Africa/Ndjamena | Chad | UTC+1 | no (last 1980) |
Africa/Sao_Tome | São Tomé and Príncipe | UTC+0 | no |
Africa/Tripoli | Libya | UTC+2 | no (last 2013) |
Africa/Tunis | Tunisia | UTC+1 | no (last 2008) |
Africa/Windhoek | Namibia | UTC+2 | no (last 2017) |
America/Adak | Adak, United States | UTC−10 | yes |
America/Anchorage | Anchorage, United States | UTC−9 | yes |
America/Araguaina | Araguaína, Brazil | UTC−3 | no (last 2013) |
America/Argentina/Buenos_Aires | Buenos Aires, Argentina | UTC−3 | no (last 2009) |
America/Argentina/Catamarca | Catamarca, Argentina | UTC−3 | no (last 2008) |
America/Argentina/Cordoba | Cordoba, Argentina | UTC−3 | no (last 2009) |
America/Argentina/Jujuy | Jujuy, Argentina | UTC−3 | no (last 2008) |
America/Argentina/La_Rioja | La Rioja, Argentina | UTC−3 | no (last 2008) |
America/Argentina/Mendoza | Mendoza, Argentina | UTC−3 | no (last 2008) |
America/Argentina/Rio_Gallegos | Rio Gallegos, Argentina | UTC−3 | no (last 2008) |
America/Argentina/Salta | Salta, Argentina | UTC−3 | no (last 2008) |
America/Argentina/San_Juan | San Juan, Argentina | UTC−3 | no (last 2008) |
America/Argentina/San_Luis | San Luis, Argentina | UTC−3 | no (last 2009) |
America/Argentina/Tucuman | Tucumán, Argentina | UTC−3 | no (last 2009) |
America/Argentina/Ushuaia | Ushuaia, Argentina | UTC−3 | no (last 2008) |
America/Asuncion | Paraguay | UTC−3 | no (last 2024) |
America/Bahia | Bahia, Brazil | UTC−3 | no (last 2012) |
America/Bahia_Banderas | Bahía de Banderas, Mexico | UTC−6 | no (last 2022) |
America/Barbados | Barbados | UTC−4 | no (last 1980) |
America/Belem | Belém, Brazil | UTC−3 | no (last 1988) |
America/Belize | Belize | UTC−6 | no (last 1983) |
America/Boa_Vista | Boa Vista, Brazil | UTC−4 | no (last 2000) |
America/Bogota | Colombia | UTC−5 | no (last 1993) |
America/Boise | Boise, United States | UTC−7 | yes |
America/Cambridge_Bay | Cambridge Bay, Canada | UTC−7 | yes |
America/Campo_Grande | Campo Grande, Brazil | UTC−4 | no (last 2019) |
America/Cancun | Cancún, Mexico | UTC−5 | no (last 2014) |
America/Caracas | Venezuela | UTC−4 | no |
America/Cayenne | French Guiana | UTC−3 | no |
America/Chicago | Chicago, United States | UTC−6 | yes |
America/Chihuahua | Chihuahua, Mexico | UTC−6 | no (last 2022) |
America/Ciudad_Juarez | Ciudad Juárez, Mexico | UTC−7 | yes |
America/Costa_Rica | Costa Rica | UTC−6 | no (last 1992) |
America/Coyhaique | Coyhaique, Chile | UTC−3 | no (last 2025) |
America/Cuiaba | Cuiabá, Brazil | UTC−4 | no (last 2019) |
America/Danmarkshavn | Danmarkshavn, Greenland | UTC+0 | no (last 1995) |
America/Dawson | Dawson, Canada | UTC−7 | no (last 2020) |
America/Dawson_Creek | Dawson Creek, Canada | UTC−7 | no (last 1972) |
America/Denver | Denver, United States | UTC−7 | yes |
America/Detroit | Detroit, United States | UTC−5 | yes |
America/Edmonton | Edmonton, Canada | UTC−6 | no (last 2026) |
America/Eirunepe | Eirunepé, Brazil | UTC−5 | no (last 1994) |
America/El_Salvador | El Salvador | UTC−6 | no (last 1988) |
America/Fort_Nelson | Fort Nelson, Canada | UTC−7 | no (last 2014) |
America/Fortaleza | Fortaleza, Brazil | UTC−3 | no (last 2002) |
America/Glace_Bay | Glace Bay, Canada | UTC−4 | yes |
America/Goose_Bay | Goose Bay, Canada | UTC−4 | yes |
America/Grand_Turk | Turks and Caicos Islands | UTC−5 | yes |
America/Guatemala | Guatemala | UTC−6 | no (last 2006) |
America/Guayaquil | Guayaquil, Ecuador | UTC−5 | no (last 1993) |
America/Guyana | Guyana | UTC−4 | no |
America/Halifax | Halifax, Canada | UTC−4 | yes |
America/Havana | Cuba | UTC−5 | yes |
America/Hermosillo | Hermosillo, Mexico | UTC−7 | no (last 1998) |
America/Indiana/Indianapolis | Indianapolis, Indiana, United States | UTC−5 | yes |
America/Indiana/Knox | Knox, Indiana, United States | UTC−6 | yes |
America/Indiana/Marengo | Marengo, Indiana, United States | UTC−5 | yes |
America/Indiana/Petersburg | Petersburg, Indiana, United States | UTC−5 | yes |
America/Indiana/Tell_City | Tell City, Indiana, United States | UTC−6 | yes |
America/Indiana/Vevay | Vevay, Indiana, United States | UTC−5 | yes |
America/Indiana/Vincennes | Vincennes, Indiana, United States | UTC−5 | yes |
America/Indiana/Winamac | Winamac, Indiana, United States | UTC−5 | yes |
America/Inuvik | Inuvik, Canada | UTC−6 | no (last 2026) |
America/Iqaluit | Iqaluit, Canada | UTC−5 | yes |
America/Jamaica | Jamaica | UTC−5 | no (last 1983) |
America/Juneau | Juneau, United States | UTC−9 | yes |
America/Kentucky/Louisville | Louisville, Kentucky, United States | UTC−5 | yes |
America/Kentucky/Monticello | Monticello, Kentucky, United States | UTC−5 | yes |
America/La_Paz | Bolivia | UTC−4 | no |
America/Lima | Peru | UTC−5 | no (last 1994) |
America/Los_Angeles | Los Angeles, United States | UTC−8 | yes |
America/Maceio | Maceió, Brazil | UTC−3 | no (last 2002) |
America/Managua | Nicaragua | UTC−6 | no (last 2006) |
America/Manaus | Manaus, Brazil | UTC−4 | no (last 1994) |
America/Martinique | Martinique | UTC−4 | no (last 1980) |
America/Matamoros | Matamoros, Mexico | UTC−6 | yes |
America/Mazatlan | Mazatlan, Mexico | UTC−7 | no (last 2022) |
America/Menominee | Menominee, United States | UTC−6 | yes |
America/Merida | Mérida, Mexico | UTC−6 | no (last 2022) |
America/Metlakatla | Metlakatla, United States | UTC−9 | yes |
America/Mexico_City | Mexico City, Mexico | UTC−6 | no (last 2022) |
America/Miquelon | Saint Pierre and Miquelon | UTC−3 | yes |
America/Moncton | Moncton, Canada | UTC−4 | yes |
America/Monterrey | Monterrey, Mexico | UTC−6 | no (last 2022) |
America/Montevideo | Uruguay | UTC−3 | no (last 2015) |
America/New_York | New York, United States | UTC−5 | yes |
America/Nome | Nome, United States | UTC−9 | yes |
America/Noronha | Fernando de Noronha, Brazil | UTC−2 | no (last 2002) |
America/North_Dakota/Beulah | Beulah, North Dakota, United States | UTC−6 | yes |
America/North_Dakota/Center | Center, North Dakota, United States | UTC−6 | yes |
America/North_Dakota/New_Salem | New Salem, North Dakota, United States | UTC−6 | yes |
America/Nuuk | Nuuk, Greenland | UTC−2 | yes |
America/Ojinaga | Ojinaga, Mexico | UTC−6 | yes |
America/Panama | Panama | UTC−5 | no |
America/Paramaribo | Suriname | UTC−3 | no |
America/Phoenix | Phoenix, United States | UTC−7 | no |
America/Port-au-Prince | Haiti | UTC−5 | yes |
America/Porto_Velho | Porto Velho, Brazil | UTC−4 | no (last 1988) |
America/Puerto_Rico | Puerto Rico | UTC−4 | no |
America/Punta_Arenas | Punta Arenas, Chile | UTC−3 | no (last 2016) |
America/Rankin_Inlet | Rankin Inlet, Canada | UTC−6 | yes |
America/Recife | Recife, Brazil | UTC−3 | no (last 2002) |
America/Regina | Regina, Canada | UTC−6 | no |
America/Resolute | Resolute, Canada | UTC−6 | yes |
America/Rio_Branco | Rio Branco, Brazil | UTC−5 | no (last 1988) |
America/Santarem | Santarém, Brazil | UTC−3 | no (last 1988) |
America/Santiago | Santiago, Chile | UTC−4 | yes |
America/Santo_Domingo | Dominican Republic | UTC−4 | no (last 1974) |
America/Sao_Paulo | São Paulo, Brazil | UTC−3 | no (last 2019) |
America/Scoresbysund | Ittoqqortoormiit, Greenland | UTC−2 | yes |
America/Sitka | Sitka, United States | UTC−9 | yes |
America/St_Johns | St. John’s, Canada | UTC−3:30 | yes |
America/Swift_Current | Swift Current, Canada | UTC−6 | no |
America/Tegucigalpa | Honduras | UTC−6 | no (last 2006) |
America/Thule | Pituffik (Thule), Greenland | UTC−4 | yes |
America/Tijuana | Tijuana, Mexico | UTC−8 | yes |
America/Toronto | Toronto, Canada | UTC−5 | yes |
America/Vancouver | Vancouver, Canada | UTC−7 | no (last 2026) |
America/Whitehorse | Whitehorse, Canada | UTC−7 | no (last 2020) |
America/Winnipeg | Winnipeg, Canada | UTC−5 | no (last 2026) |
America/Yakutat | Yakutat, United States | UTC−9 | yes |
Antarctica/Casey | Casey Station, Antarctica | UTC+8 | no |
Antarctica/Davis | Davis Station, Antarctica | UTC+7 | no |
Antarctica/Macquarie | Macquarie Island, Australia | UTC+10 | yes |
Antarctica/Mawson | Mawson Station, Antarctica | UTC+5 | no |
Antarctica/Palmer | Palmer Station, Antarctica | UTC−3 | no (last 2016) |
Antarctica/Rothera | Rothera Station, Antarctica | UTC−3 | no |
Antarctica/Troll | Troll Station, Antarctica | UTC+0 | yes |
Antarctica/Vostok | Vostok Station, Antarctica | UTC+5 | no |
Asia/Almaty | Almaty, Kazakhstan | UTC+5 | no (last 2004) |
Asia/Amman | Jordan | UTC+3 | no (last 2022) |
Asia/Anadyr | Anadyr, Russia | UTC+12 | no (last 2010) |
Asia/Aqtau | Aqtau, Kazakhstan | UTC+5 | no (last 2004) |
Asia/Aqtobe | Aqtobe, Kazakhstan | UTC+5 | no (last 2004) |
Asia/Ashgabat | Turkmenistan | UTC+5 | no (last 1991) |
Asia/Atyrau | Atyrau, Kazakhstan | UTC+5 | no (last 2004) |
Asia/Baghdad | Iraq | UTC+3 | no (last 2007) |
Asia/Baku | Azerbaijan | UTC+4 | no (last 2015) |
Asia/Bangkok | Thailand | UTC+7 | no |
Asia/Barnaul | Barnaul, Russia | UTC+7 | no (last 2010) |
Asia/Beirut | Lebanon | UTC+2 | yes |
Asia/Bishkek | Kyrgyzstan | UTC+6 | no (last 2005) |
Asia/Chita | Chita, Russia | UTC+9 | no (last 2010) |
Asia/Colombo | Sri Lanka | UTC+5:30 | no |
Asia/Damascus | Syria | UTC+3 | no (last 2022) |
Asia/Dhaka | Bangladesh | UTC+6 | no (last 2009) |
Asia/Dili | East Timor | UTC+9 | no |
Asia/Dubai | United Arab Emirates | UTC+4 | no |
Asia/Dushanbe | Tajikistan | UTC+5 | no (last 1991) |
Asia/Famagusta | Famagusta, Cyprus | UTC+2 | yes |
Asia/Gaza | Gaza, Palestine | UTC+2 | yes |
Asia/Hebron | Hebron, Palestine | UTC+2 | yes |
Asia/Ho_Chi_Minh | Vietnam | UTC+7 | no |
Asia/Hong_Kong | Hong Kong | UTC+8 | no (last 1979) |
Asia/Hovd | Hovd, Mongolia | UTC+7 | no (last 2016) |
Asia/Irkutsk | Irkutsk, Russia | UTC+8 | no (last 2010) |
Asia/Jakarta | Jakarta, Indonesia | UTC+7 | no |
Asia/Jayapura | Jayapura, Indonesia | UTC+9 | no |
Asia/Jerusalem | Israel | UTC+2 | yes |
Asia/Kabul | Afghanistan | UTC+4:30 | no |
Asia/Kamchatka | Kamchatka, Russia | UTC+12 | no (last 2010) |
Asia/Karachi | Pakistan | UTC+5 | no (last 2009) |
Asia/Kathmandu | Nepal | UTC+5:45 | no |
Asia/Khandyga | Khandyga, Russia | UTC+9 | no (last 2010) |
Asia/Kolkata | India | UTC+5:30 | no |
Asia/Krasnoyarsk | Krasnoyarsk, Russia | UTC+7 | no (last 2010) |
Asia/Kuching | Malaysia | UTC+8 | no |
Asia/Macau | Macau | UTC+8 | no (last 1979) |
Asia/Magadan | Magadan, Russia | UTC+11 | no (last 2010) |
Asia/Makassar | Makassar, Indonesia | UTC+8 | no |
Asia/Manila | Philippines | UTC+8 | no (last 1990) |
Asia/Nicosia | Nicosia, Cyprus | UTC+2 | yes |
Asia/Novokuznetsk | Novokuznetsk, Russia | UTC+7 | no (last 2010) |
Asia/Novosibirsk | Novosibirsk, Russia | UTC+7 | no (last 2010) |
Asia/Omsk | Omsk, Russia | UTC+6 | no (last 2010) |
Asia/Oral | Oral, Kazakhstan | UTC+5 | no (last 2004) |
Asia/Pontianak | Pontianak, Indonesia | UTC+7 | no |
Asia/Pyongyang | North Korea | UTC+9 | no |
Asia/Qatar | Qatar | UTC+3 | no |
Asia/Qostanay | Qostanay, Kazakhstan | UTC+5 | no (last 2004) |
Asia/Qyzylorda | Qyzylorda, Kazakhstan | UTC+5 | no (last 2004) |
Asia/Riyadh | Saudi Arabia | UTC+3 | no |
Asia/Sakhalin | Sakhalin, Russia | UTC+11 | no (last 2010) |
Asia/Samarkand | Samarkand, Uzbekistan | UTC+5 | no (last 1991) |
Asia/Seoul | South Korea | UTC+9 | no (last 1988) |
Asia/Shanghai | Shanghai, China | UTC+8 | no (last 1991) |
Asia/Singapore | Singapore | UTC+8 | no |
Asia/Srednekolymsk | Srednekolymsk, Russia | UTC+11 | no (last 2010) |
Asia/Taipei | Taiwan | UTC+8 | no (last 1979) |
Asia/Tashkent | Tashkent, Uzbekistan | UTC+5 | no (last 1991) |
Asia/Tbilisi | Georgia | UTC+4 | no (last 2004) |
Asia/Tehran | Iran | UTC+3:30 | no (last 2022) |
Asia/Thimphu | Bhutan | UTC+6 | no |
Asia/Tokyo | Japan | UTC+9 | no |
Asia/Tomsk | Tomsk, Russia | UTC+7 | no (last 2010) |
Asia/Ulaanbaatar | Ulaanbaatar, Mongolia | UTC+8 | no (last 2016) |
Asia/Urumqi | Ürümqi, China | UTC+6 | no |
Asia/Ust-Nera | Ust-Nera, Russia | UTC+10 | no (last 2010) |
Asia/Vladivostok | Vladivostok, Russia | UTC+10 | no (last 2010) |
Asia/Yakutsk | Yakutsk, Russia | UTC+9 | no (last 2010) |
Asia/Yangon | Myanmar | UTC+6:30 | no |
Asia/Yekaterinburg | Yekaterinburg, Russia | UTC+5 | no (last 2010) |
Asia/Yerevan | Armenia | UTC+4 | no (last 2011) |
Atlantic/Azores | Azores, Portugal | UTC−1 | yes |
Atlantic/Bermuda | Bermuda | UTC−4 | yes |
Atlantic/Canary | Canary Islands, Spain | UTC+0 | yes |
Atlantic/Cape_Verde | Cape Verde | UTC−1 | no |
Atlantic/Faroe | Faroe Islands | UTC+0 | yes |
Atlantic/Madeira | Madeira, Portugal | UTC+0 | yes |
Atlantic/South_Georgia | South Georgia and the South Sandwich Islands | UTC−2 | no |
Atlantic/Stanley | Falkland Islands | UTC−3 | no (last 2010) |
Australia/Adelaide | Adelaide, Australia | UTC+9:30 | yes |
Australia/Brisbane | Brisbane, Australia | UTC+10 | no (last 1992) |
Australia/Broken_Hill | Broken Hill, Australia | UTC+9:30 | yes |
Australia/Darwin | Darwin, Australia | UTC+9:30 | no |
Australia/Eucla | Eucla, Australia | UTC+8:45 | no (last 2009) |
Australia/Hobart | Hobart, Australia | UTC+10 | yes |
Australia/Lindeman | Lindeman, Australia | UTC+10 | no (last 1994) |
Australia/Lord_Howe | Lord Howe Island, Australia | UTC+10:30 | yes |
Australia/Melbourne | Melbourne, Australia | UTC+10 | yes |
Australia/Perth | Perth, Australia | UTC+8 | no (last 2009) |
Australia/Sydney | Sydney, Australia | UTC+10 | yes |
Europe/Andorra | Andorra | UTC+1 | yes |
Europe/Astrakhan | Astrakhan, Russia | UTC+4 | no (last 2010) |
Europe/Athens | Greece | UTC+2 | yes |
Europe/Belgrade | Serbia | UTC+1 | yes |
Europe/Berlin | Germany | UTC+1 | yes |
Europe/Brussels | Belgium | UTC+1 | yes |
Europe/Bucharest | Romania | UTC+2 | yes |
Europe/Budapest | Hungary | UTC+1 | yes |
Europe/Chisinau | Moldova | UTC+2 | yes |
Europe/Dublin | Ireland | UTC+1 | yes |
Europe/Gibraltar | Gibraltar | UTC+1 | yes |
Europe/Helsinki | Finland | UTC+2 | yes |
Europe/Istanbul | Turkey | UTC+3 | no (last 2016) |
Europe/Kaliningrad | Kaliningrad, Russia | UTC+2 | no (last 2010) |
Europe/Kirov | Kirov, Russia | UTC+3 | no (last 2010) |
Europe/Kyiv | Kyiv, Ukraine | UTC+2 | yes |
Europe/Lisbon | Lisbon, Portugal | UTC+0 | yes |
Europe/London | United Kingdom | UTC+0 | yes |
Europe/Madrid | Madrid, Spain | UTC+1 | yes |
Europe/Malta | Malta | UTC+1 | yes |
Europe/Minsk | Belarus | UTC+3 | no (last 2010) |
Europe/Moscow | Moscow, Russia | UTC+3 | no (last 2010) |
Europe/Paris | France | UTC+1 | yes |
Europe/Prague | Czech Republic | UTC+1 | yes |
Europe/Riga | Latvia | UTC+2 | yes |
Europe/Rome | Italy | UTC+1 | yes |
Europe/Samara | Samara, Russia | UTC+4 | no (last 2010) |
Europe/Saratov | Saratov, Russia | UTC+4 | no (last 2010) |
Europe/Simferopol | Simferopol, Ukraine | UTC+3 | no (last 2013) |
Europe/Sofia | Bulgaria | UTC+2 | yes |
Europe/Tallinn | Estonia | UTC+2 | yes |
Europe/Tirane | Albania | UTC+1 | yes |
Europe/Ulyanovsk | Ulyanovsk, Russia | UTC+4 | no (last 2010) |
Europe/Vienna | Austria | UTC+1 | yes |
Europe/Vilnius | Lithuania | UTC+2 | yes |
Europe/Volgograd | Volgograd, Russia | UTC+3 | no (last 2010) |
Europe/Warsaw | Poland | UTC+1 | yes |
Europe/Zurich | Switzerland | UTC+1 | yes |
Indian/Chagos | British Indian Ocean Territory | UTC+6 | no |
Indian/Maldives | Maldives | UTC+5 | no |
Indian/Mauritius | Mauritius | UTC+4 | no (last 2009) |
Pacific/Apia | Samoa | UTC+13 | no (last 2021) |
Pacific/Auckland | Auckland, New Zealand | UTC+12 | yes |
Pacific/Bougainville | Bougainville, Papua New Guinea | UTC+11 | no |
Pacific/Chatham | Chatham Islands, New Zealand | UTC+12:45 | yes |
Pacific/Easter | Easter Island, Chile | UTC−6 | yes |
Pacific/Efate | Vanuatu | UTC+11 | no (last 1993) |
Pacific/Fakaofo | Tokelau | UTC+13 | no |
Pacific/Fiji | Fiji | UTC+12 | no (last 2021) |
Pacific/Galapagos | Galápagos Islands, Ecuador | UTC−6 | no (last 1993) |
Pacific/Gambier | Gambier Islands, French Polynesia | UTC−9 | no |
Pacific/Guadalcanal | Solomon Islands | UTC+11 | no |
Pacific/Guam | Guam | UTC+10 | no (last 1977) |
Pacific/Honolulu | Honolulu, United States | UTC−10 | no |
Pacific/Kanton | Kanton Island, Kiribati | UTC+13 | no |
Pacific/Kiritimati | Kiritimati, Kiribati | UTC+14 | no |
Pacific/Kosrae | Micronesia | UTC+11 | no |
Pacific/Kwajalein | Marshall Islands | UTC+12 | no |
Pacific/Marquesas | Marquesas Islands, French Polynesia | UTC−9:30 | no |
Pacific/Nauru | Nauru | UTC+12 | no |
Pacific/Niue | Niue | UTC−11 | no |
Pacific/Norfolk | Norfolk Island | UTC+11 | yes |
Pacific/Noumea | New Caledonia | UTC+11 | no (last 1997) |
Pacific/Pago_Pago | American Samoa | UTC−11 | no |
Pacific/Palau | Palau | UTC+9 | no |
Pacific/Pitcairn | Pitcairn Islands | UTC−8 | no |
Pacific/Port_Moresby | Port Moresby, Papua New Guinea | UTC+10 | no |
Pacific/Rarotonga | Cook Islands | UTC−10 | no (last 1991) |
Pacific/Tahiti | Tahiti, French Polynesia | UTC−10 | no |
Pacific/Tarawa | Tarawa, Kiribati | UTC+12 | no |
Pacific/Tongatapu | Tonga | UTC+13 | no (last 2017) |