For some reason I had a hard time finding a list of the Time Zones supported in .NET. Apparently this is because they are defined in the registry at HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Time Zones on Windows, and in the ICU library on Linux and macOS. I fired up LinqPad and quickly retrieved these using TimeZoneInfo.GetSystemTimeZones()
| ReadOnlyCollection<TimeZoneInfo> (138 items)4 | |||||
| BaseUtcOffset | DaylightName | DisplayName | Id | StandardName | SupportsDaylightSavingTime |
|---|---|---|---|---|---|
| -12:00:00 | Dateline Daylight Time | (UTC-12:00) International Date Line West | Dateline Standard Time | Dateline Standard Time | False |
| -11:00:00 | UTC-11 | (UTC-11:00) Coordinated Universal Time-11 | UTC-11 | UTC-11 | False |
| -10:00:00 | Aleutian Daylight Time | (UTC-10:00) Aleutian Islands | Aleutian Standard Time | Aleutian Standard Time | True |
| -10:00:00 | Hawaiian Daylight Time | (UTC-10:00) Hawaii | Hawaiian Standard Time | Hawaiian Standard Time | False |
| -09:30:00 | Marquesas Daylight Time | (UTC-09:30) Marquesas Islands | Marquesas Standard Time | Marquesas Standard Time | False |
| -09:00:00 | Alaskan Daylight Time | (UTC-09:00) Alaska | Alaskan Standard Time | Alaskan Standard Time | True |
| -09:00:00 | UTC-09 | (UTC-09:00) Coordinated Universal Time-09 | UTC-09 | UTC-09 | False |
| -08:00:00 | Pacific Daylight Time (Mexico) | (UTC-08:00) Baja California | Pacific Standard Time (Mexico) | Pacific Standard Time (Mexico) | True |
| -08:00:00 | UTC-08 | (UTC-08:00) Coordinated Universal Time-08 | UTC-08 | UTC-08 | False |
| -08:00:00 | Pacific Daylight Time | (UTC-08:00) Pacific Time (US & Canada) | Pacific Standard Time | Pacific Standard Time | True |
| -07:00:00 | US Mountain Daylight Time | (UTC-07:00) Arizona | US Mountain Standard Time | US Mountain Standard Time | False |
| -07:00:00 | Mountain Daylight Time (Mexico) | (UTC-07:00) Chihuahua, La Paz, Mazatlan | Mountain Standard Time (Mexico) | Mountain Standard Time (Mexico) | True |
| -07:00:00 | Mountain Daylight Time | (UTC-07:00) Mountain Time (US & Canada) | Mountain Standard Time | Mountain Standard Time | True |
| -06:00:00 | Central America Daylight Time | (UTC-06:00) Central America | Central America Standard Time | Central America Standard Time | False |
| -06:00:00 | Central Daylight Time | (UTC-06:00) Central Time (US & Canada) | Central Standard Time | Central Standard Time | True |
| -06:00:00 | Easter Island Daylight Time | (UTC-06:00) Easter Island | Easter Island Standard Time | Easter Island Standard Time | True |
| -06:00:00 | Central Daylight Time (Mexico) | (UTC-06:00) Guadalajara, Mexico City, Monterrey | Central Standard Time (Mexico) | Central Standard Time (Mexico) | True |
| -06:00:00 | Canada Central Daylight Time | (UTC-06:00) Saskatchewan | Canada Central Standard Time | Canada Central Standard Time | False |
| -05:00:00 | SA Pacific Daylight Time | (UTC-05:00) Bogota, Lima, Quito, Rio Branco | SA Pacific Standard Time | SA Pacific Standard Time | False |
| -05:00:00 | Eastern Daylight Time (Mexico) | (UTC-05:00) Chetumal | Eastern Standard Time (Mexico) | Eastern Standard Time (Mexico) | True |
| -05:00:00 | Eastern Daylight Time | (UTC-05:00) Eastern Time (US & Canada) | Eastern Standard Time | Eastern Standard Time | True |
| -05:00:00 | Haiti Daylight Time | (UTC-05:00) Haiti | Haiti Standard Time | Haiti Standard Time | True |
| -05:00:00 | Cuba Daylight Time | (UTC-05:00) Havana | Cuba Standard Time | Cuba Standard Time | True |
| -05:00:00 | US Eastern Daylight Time | (UTC-05:00) Indiana (East) | US Eastern Standard Time | US Eastern Standard Time | True |
| -05:00:00 | Turks and Caicos Daylight Time | (UTC-05:00) Turks and Caicos | Turks And Caicos Standard Time | Turks and Caicos Standard Time | True |
| -04:00:00 | Paraguay Daylight Time | (UTC-04:00) Asuncion | Paraguay Standard Time | Paraguay Standard Time | True |
| -04:00:00 | Atlantic Daylight Time | (UTC-04:00) Atlantic Time (Canada) | Atlantic Standard Time | Atlantic Standard Time | True |
| -04:00:00 | Venezuela Daylight Time | (UTC-04:00) Caracas | Venezuela Standard Time | Venezuela Standard Time | True |
| -04:00:00 | Central Brazilian Daylight Time | (UTC-04:00) Cuiaba | Central Brazilian Standard Time | Central Brazilian Standard Time | True |
| -04:00:00 | SA Western Daylight Time | (UTC-04:00) Georgetown, La Paz, Manaus, San Juan | SA Western Standard Time | SA Western Standard Time | False |
| -04:00:00 | Pacific SA Daylight Time | (UTC-04:00) Santiago | Pacific SA Standard Time | Pacific SA Standard Time | True |
| -03:30:00 | Newfoundland Daylight Time | (UTC-03:30) Newfoundland | Newfoundland Standard Time | Newfoundland Standard Time | True |
| -03:00:00 | Tocantins Daylight Time | (UTC-03:00) Araguaina | Tocantins Standard Time | Tocantins Standard Time | True |
| -03:00:00 | E. South America Daylight Time | (UTC-03:00) Brasilia | E. South America Standard Time | E. South America Standard Time | True |
| -03:00:00 | SA Eastern Daylight Time | (UTC-03:00) Cayenne, Fortaleza | SA Eastern Standard Time | SA Eastern Standard Time | False |
| -03:00:00 | Argentina Daylight Time | (UTC-03:00) City of Buenos Aires | Argentina Standard Time | Argentina Standard Time | True |
| -03:00:00 | Greenland Daylight Time | (UTC-03:00) Greenland | Greenland Standard Time | Greenland Standard Time | True |
| -03:00:00 | Montevideo Daylight Time | (UTC-03:00) Montevideo | Montevideo Standard Time | Montevideo Standard Time | True |
| -03:00:00 | Magallanes Daylight Time | (UTC-03:00) Punta Arenas | Magallanes Standard Time | Magallanes Standard Time | True |
| -03:00:00 | Saint Pierre Daylight Time | (UTC-03:00) Saint Pierre and Miquelon | Saint Pierre Standard Time | Saint Pierre Standard Time | True |
| -03:00:00 | Bahia Daylight Time | (UTC-03:00) Salvador | Bahia Standard Time | Bahia Standard Time | True |
| -02:00:00 | UTC-02 | (UTC-02:00) Coordinated Universal Time-02 | UTC-02 | UTC-02 | False |
| -02:00:00 | Mid-Atlantic Daylight Time | (UTC-02:00) Mid-Atlantic – Old | Mid-Atlantic Standard Time | Mid-Atlantic Standard Time | True |
| -01:00:00 | Azores Daylight Time | (UTC-01:00) Azores | Azores Standard Time | Azores Standard Time | True |
| -01:00:00 | Cabo Verde Daylight Time | (UTC-01:00) Cabo Verde Is. | Cape Verde Standard Time | Cabo Verde Standard Time | False |
| 00:00:00 | Coordinated Universal Time | (UTC) Coordinated Universal Time | UTC | Coordinated Universal Time | False |
| 00:00:00 | GMT Daylight Time | (UTC+00:00) Dublin, Edinburgh, Lisbon, London | GMT Standard Time | GMT Standard Time | True |
| 00:00:00 | Greenwich Daylight Time | (UTC+00:00) Monrovia, Reykjavik | Greenwich Standard Time | Greenwich Standard Time | False |
| 01:00:00 | W. Europe Daylight Time | (UTC+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna | W. Europe Standard Time | W. Europe Standard Time | True |
| 01:00:00 | Central Europe Daylight Time | (UTC+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague | Central Europe Standard Time | Central Europe Standard Time | True |
| 01:00:00 | Romance Daylight Time | (UTC+01:00) Brussels, Copenhagen, Madrid, Paris | Romance Standard Time | Romance Standard Time | True |
| 01:00:00 | Morocco Daylight Time | (UTC+01:00) Casablanca | Morocco Standard Time | Morocco Standard Time | True |
| 01:00:00 | Sao Tome Daylight Time | (UTC+01:00) Sao Tome | Sao Tome Standard Time | Sao Tome Standard Time | True |
| 01:00:00 | Central European Daylight Time | (UTC+01:00) Sarajevo, Skopje, Warsaw, Zagreb | Central European Standard Time | Central European Standard Time | True |
| 01:00:00 | W. Central Africa Daylight Time | (UTC+01:00) West Central Africa | W. Central Africa Standard Time | W. Central Africa Standard Time | False |
| 02:00:00 | Jordan Daylight Time | (UTC+02:00) Amman | Jordan Standard Time | Jordan Standard Time | True |
| 02:00:00 | GTB Daylight Time | (UTC+02:00) Athens, Bucharest | GTB Standard Time | GTB Standard Time | True |
| 02:00:00 | Middle East Daylight Time | (UTC+02:00) Beirut | Middle East Standard Time | Middle East Standard Time | True |
| 02:00:00 | Egypt Daylight Time | (UTC+02:00) Cairo | Egypt Standard Time | Egypt Standard Time | True |
| 02:00:00 | E. Europe Daylight Time | (UTC+02:00) Chisinau | E. Europe Standard Time | E. Europe Standard Time | True |
| 02:00:00 | Syria Daylight Time | (UTC+02:00) Damascus | Syria Standard Time | Syria Standard Time | True |
| 02:00:00 | West Bank Gaza Daylight Time | (UTC+02:00) Gaza, Hebron | West Bank Standard Time | West Bank Gaza Standard Time | True |
| 02:00:00 | South Africa Daylight Time | (UTC+02:00) Harare, Pretoria | South Africa Standard Time | South Africa Standard Time | False |
| 02:00:00 | FLE Daylight Time | (UTC+02:00) Helsinki, Kyiv, Riga, Sofia, Tallinn, Vilnius | FLE Standard Time | FLE Standard Time | True |
| 02:00:00 | Jerusalem Daylight Time | (UTC+02:00) Jerusalem | Israel Standard Time | Jerusalem Standard Time | True |
| 02:00:00 | Russia TZ 1 Daylight Time | (UTC+02:00) Kaliningrad | Kaliningrad Standard Time | Russia TZ 1 Standard Time | True |
| 02:00:00 | Sudan Daylight Time | (UTC+02:00) Khartoum | Sudan Standard Time | Sudan Standard Time | True |
| 02:00:00 | Libya Daylight Time | (UTC+02:00) Tripoli | Libya Standard Time | Libya Standard Time | True |
| 02:00:00 | Namibia Daylight Time | (UTC+02:00) Windhoek | Namibia Standard Time | Namibia Standard Time | True |
| 03:00:00 | Arabic Daylight Time | (UTC+03:00) Baghdad | Arabic Standard Time | Arabic Standard Time | True |
| 03:00:00 | Turkey Daylight Time | (UTC+03:00) Istanbul | Turkey Standard Time | Turkey Standard Time | True |
| 03:00:00 | Arab Daylight Time | (UTC+03:00) Kuwait, Riyadh | Arab Standard Time | Arab Standard Time | False |
| 03:00:00 | Belarus Daylight Time | (UTC+03:00) Minsk | Belarus Standard Time | Belarus Standard Time | True |
| 03:00:00 | Russia TZ 2 Daylight Time | (UTC+03:00) Moscow, St. Petersburg | Russian Standard Time | Russia TZ 2 Standard Time | True |
| 03:00:00 | E. Africa Daylight Time | (UTC+03:00) Nairobi | E. Africa Standard Time | E. Africa Standard Time | False |
| 03:30:00 | Iran Daylight Time | (UTC+03:30) Tehran | Iran Standard Time | Iran Standard Time | True |
| 04:00:00 | Arabian Daylight Time | (UTC+04:00) Abu Dhabi, Muscat | Arabian Standard Time | Arabian Standard Time | False |
| 04:00:00 | Astrakhan Daylight Time | (UTC+04:00) Astrakhan, Ulyanovsk | Astrakhan Standard Time | Astrakhan Standard Time | True |
| 04:00:00 | Azerbaijan Daylight Time | (UTC+04:00) Baku | Azerbaijan Standard Time | Azerbaijan Standard Time | True |
| 04:00:00 | Russia TZ 3 Daylight Time | (UTC+04:00) Izhevsk, Samara | Russia Time Zone 3 | Russia TZ 3 Standard Time | True |
| 04:00:00 | Mauritius Daylight Time | (UTC+04:00) Port Louis | Mauritius Standard Time | Mauritius Standard Time | True |
| 04:00:00 | Saratov Daylight Time | (UTC+04:00) Saratov | Saratov Standard Time | Saratov Standard Time | True |
| 04:00:00 | Georgian Daylight Time | (UTC+04:00) Tbilisi | Georgian Standard Time | Georgian Standard Time | False |
| 04:00:00 | Volgograd Daylight Time | (UTC+04:00) Volgograd | Volgograd Standard Time | Volgograd Standard Time | True |
| 04:00:00 | Caucasus Daylight Time | (UTC+04:00) Yerevan | Caucasus Standard Time | Caucasus Standard Time | True |
| 04:30:00 | Afghanistan Daylight Time | (UTC+04:30) Kabul | Afghanistan Standard Time | Afghanistan Standard Time | False |
| 05:00:00 | West Asia Daylight Time | (UTC+05:00) Ashgabat, Tashkent | West Asia Standard Time | West Asia Standard Time | False |
| 05:00:00 | Russia TZ 4 Daylight Time | (UTC+05:00) Ekaterinburg | Ekaterinburg Standard Time | Russia TZ 4 Standard Time | True |
| 05:00:00 | Pakistan Daylight Time | (UTC+05:00) Islamabad, Karachi | Pakistan Standard Time | Pakistan Standard Time | True |
| 05:30:00 | India Daylight Time | (UTC+05:30) Chennai, Kolkata, Mumbai, New Delhi | India Standard Time | India Standard Time | False |
| 05:30:00 | Sri Lanka Daylight Time | (UTC+05:30) Sri Jayawardenepura | Sri Lanka Standard Time | Sri Lanka Standard Time | False |
| 05:45:00 | Nepal Daylight Time | (UTC+05:45) Kathmandu | Nepal Standard Time | Nepal Standard Time | False |
| 06:00:00 | Central Asia Daylight Time | (UTC+06:00) Astana | Central Asia Standard Time | Central Asia Standard Time | False |
| 06:00:00 | Bangladesh Daylight Time | (UTC+06:00) Dhaka | Bangladesh Standard Time | Bangladesh Standard Time | True |
| 06:00:00 | Omsk Daylight Time | (UTC+06:00) Omsk | Omsk Standard Time | Omsk Standard Time | True |
| 06:30:00 | Myanmar Daylight Time | (UTC+06:30) Yangon (Rangoon) | Myanmar Standard Time | Myanmar Standard Time | False |
| 07:00:00 | SE Asia Daylight Time | (UTC+07:00) Bangkok, Hanoi, Jakarta | SE Asia Standard Time | SE Asia Standard Time | False |
| 07:00:00 | Altai Daylight Time | (UTC+07:00) Barnaul, Gorno-Altaysk | Altai Standard Time | Altai Standard Time | True |
| 07:00:00 | W. Mongolia Daylight Time | (UTC+07:00) Hovd | W. Mongolia Standard Time | W. Mongolia Standard Time | True |
| 07:00:00 | Russia TZ 6 Daylight Time | (UTC+07:00) Krasnoyarsk | North Asia Standard Time | Russia TZ 6 Standard Time | True |
| 07:00:00 | Novosibirsk Daylight Time | (UTC+07:00) Novosibirsk | N. Central Asia Standard Time | Novosibirsk Standard Time | True |
| 07:00:00 | Tomsk Daylight Time | (UTC+07:00) Tomsk | Tomsk Standard Time | Tomsk Standard Time | True |
| 08:00:00 | China Daylight Time | (UTC+08:00) Beijing, Chongqing, Hong Kong, Urumqi | China Standard Time | China Standard Time | False |
| 08:00:00 | Russia TZ 7 Daylight Time | (UTC+08:00) Irkutsk | North Asia East Standard Time | Russia TZ 7 Standard Time | True |
| 08:00:00 | Malay Peninsula Daylight Time | (UTC+08:00) Kuala Lumpur, Singapore | Singapore Standard Time | Malay Peninsula Standard Time | False |
| 08:00:00 | W. Australia Daylight Time | (UTC+08:00) Perth | W. Australia Standard Time | W. Australia Standard Time | True |
| 08:00:00 | Taipei Daylight Time | (UTC+08:00) Taipei | Taipei Standard Time | Taipei Standard Time | False |
| 08:00:00 | Ulaanbaatar Daylight Time | (UTC+08:00) Ulaanbaatar | Ulaanbaatar Standard Time | Ulaanbaatar Standard Time | True |
| 08:45:00 | Aus Central W. Daylight Time | (UTC+08:45) Eucla | Aus Central W. Standard Time | Aus Central W. Standard Time | False |
| 09:00:00 | Transbaikal Daylight Time | (UTC+09:00) Chita | Transbaikal Standard Time | Transbaikal Standard Time | True |
| 09:00:00 | Tokyo Daylight Time | (UTC+09:00) Osaka, Sapporo, Tokyo | Tokyo Standard Time | Tokyo Standard Time | False |
| 09:00:00 | North Korea Daylight Time | (UTC+09:00) Pyongyang | North Korea Standard Time | North Korea Standard Time | True |
| 09:00:00 | Korea Daylight Time | (UTC+09:00) Seoul | Korea Standard Time | Korea Standard Time | False |
| 09:00:00 | Russia TZ 8 Daylight Time | (UTC+09:00) Yakutsk | Yakutsk Standard Time | Russia TZ 8 Standard Time | True |
| 09:30:00 | Cen. Australia Daylight Time | (UTC+09:30) Adelaide | Cen. Australia Standard Time | Cen. Australia Standard Time | True |
| 09:30:00 | AUS Central Daylight Time | (UTC+09:30) Darwin | AUS Central Standard Time | AUS Central Standard Time | False |
| 10:00:00 | E. Australia Daylight Time | (UTC+10:00) Brisbane | E. Australia Standard Time | E. Australia Standard Time | False |
| 10:00:00 | AUS Eastern Daylight Time | (UTC+10:00) Canberra, Melbourne, Sydney | AUS Eastern Standard Time | AUS Eastern Standard Time | True |
| 10:00:00 | West Pacific Daylight Time | (UTC+10:00) Guam, Port Moresby | West Pacific Standard Time | West Pacific Standard Time | False |
| 10:00:00 | Tasmania Daylight Time | (UTC+10:00) Hobart | Tasmania Standard Time | Tasmania Standard Time | True |
| 10:00:00 | Russia TZ 9 Daylight Time | (UTC+10:00) Vladivostok | Vladivostok Standard Time | Russia TZ 9 Standard Time | True |
| 10:30:00 | Lord Howe Daylight Time | (UTC+10:30) Lord Howe Island | Lord Howe Standard Time | Lord Howe Standard Time | True |
| 11:00:00 | Bougainville Daylight Time | (UTC+11:00) Bougainville Island | Bougainville Standard Time | Bougainville Standard Time | True |
| 11:00:00 | Russia TZ 10 Daylight Time | (UTC+11:00) Chokurdakh | Russia Time Zone 10 | Russia TZ 10 Standard Time | True |
| 11:00:00 | Magadan Daylight Time | (UTC+11:00) Magadan | Magadan Standard Time | Magadan Standard Time | True |
| 11:00:00 | Norfolk Daylight Time | (UTC+11:00) Norfolk Island | Norfolk Standard Time | Norfolk Standard Time | True |
| 11:00:00 | Sakhalin Daylight Time | (UTC+11:00) Sakhalin | Sakhalin Standard Time | Sakhalin Standard Time | True |
| 11:00:00 | Central Pacific Daylight Time | (UTC+11:00) Solomon Is., New Caledonia | Central Pacific Standard Time | Central Pacific Standard Time | False |
| 12:00:00 | Russia TZ 11 Daylight Time | (UTC+12:00) Anadyr, Petropavlovsk-Kamchatsky | Russia Time Zone 11 | Russia TZ 11 Standard Time | True |
| 12:00:00 | New Zealand Daylight Time | (UTC+12:00) Auckland, Wellington | New Zealand Standard Time | New Zealand Standard Time | True |
| 12:00:00 | UTC+12 | (UTC+12:00) Coordinated Universal Time+12 | UTC+12 | UTC+12 | False |
| 12:00:00 | Fiji Daylight Time | (UTC+12:00) Fiji | Fiji Standard Time | Fiji Standard Time | True |
| 12:00:00 | Kamchatka Daylight Time | (UTC+12:00) Petropavlovsk-Kamchatsky – Old | Kamchatka Standard Time | Kamchatka Standard Time | True |
| 12:45:00 | Chatham Islands Daylight Time | (UTC+12:45) Chatham Islands | Chatham Islands Standard Time | Chatham Islands Standard Time | True |
| 13:00:00 | UTC+13 | (UTC+13:00) Coordinated Universal Time+13 | UTC+13 | UTC+13 | False |
| 13:00:00 | Tonga Daylight Time | (UTC+13:00) Nuku’alofa | Tonga Standard Time | Tonga Standard Time | True |
| 13:00:00 | Samoa Daylight Time | (UTC+13:00) Samoa | Samoa Standard Time | Samoa Standard Time | True |
| 14:00:00 | Line Islands Daylight Time | (UTC+14:00) Kiritimati Island | Line Islands Standard Time | Line Islands Standard Time | False |
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