Java Locale “Welsh” (cy)
General Information
| Property | Value |
|---|---|
| Base locale ID | cy |
| Display name | Welsh |
| Display variant | |
| ISO3 language code | cym |
| ISO3 country code | |
| ICU Locale | cy |
| Other data sources | compare |
Numbers
| Property | Value |
|---|---|
| Currency symbol | ¤ |
| Decimal separator | . |
| Digit | # |
| Exponent separator | E |
| Grouping separator | , |
| Infinity | ∞ |
| International currency symbol | XXX |
| Minus sign | - |
| Monetary decimal separator | . |
| NaN | NaN |
| Pattern Separator | ; |
| Percent | % |
| Per mill | ‰ |
| Zero digit | 0 |
Dates
| Property | Value(s) |
|---|---|
| AM/PM Strings | yb, yh |
| Eras | CC, OC |
| Months | Ionawr, Chwefror, Mawrth, Ebrill, Mai, Mehefin, Gorffennaf, Awst, Medi, Hydref, Tachwedd, Rhagfyr |
| Short months | Ion, Chwef, Maw, Ebr, Mai, Meh, Gorff, Awst, Medi, Hyd, Tach, Rhag |
| Short weekdays | Sul, Llun, Maw, Mer, Iau, Gwen, Sad |
| Weekdays | Dydd Sul, Dydd Llun, Dydd Mawrth, Dydd Mercher, Dydd Iau, Dydd Gwener, Dydd Sadwrn |
| Format | Pattern |
| Date.3 | Example: 21/11/24 Pattern: dd/MM/yy Localized Pattern: dd/MM/yy |
| Date.2 | Example: 21 Tach 2024 Pattern: d MMM y Localized Pattern: d MMM y |
| Date.1 | Example: 21 Tachwedd 2024 Pattern: d MMMM y Localized Pattern: d MMMM y |
| Date.0 | Example: Dydd Iau, 21 Tachwedd 2024 Pattern: EEEE, d MMMM y Localized Pattern: EEEE, d MMMM y |
Time Zones
| ID | Short/Standard | Short/Daylight | Long/Standard | Long/Daylight |
|---|---|---|---|---|
| ACT | ACST | Amser Safonol Canolbarth Awstralia | ||
| AET | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| AGT | ART | Argentine Time | ||
| ART | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| AST | AKST | AKDT | Amser Safonol Alaska | Amser Haf Alaska |
| Africa/Abidjan | GMT | Amser Safonol Greenwich | ||
| Africa/Accra | GMT | Amser Safonol Greenwich | ||
| Africa/Addis_Ababa | EAT | Amser Dwyrain Affrica | ||
| Africa/Algiers | CET | Amser Safonol Canolbarth Ewrop | ||
| Africa/Asmara | EAT | Amser Dwyrain Affrica | ||
| Africa/Asmera | EAT | Amser Dwyrain Affrica | ||
| Africa/Bamako | GMT | Amser Safonol Greenwich | ||
| Africa/Bangui | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Banjul | GMT | Amser Safonol Greenwich | ||
| Africa/Bissau | GMT | Amser Safonol Greenwich | ||
| Africa/Blantyre | CAT | Amser Canolbarth Affrica | ||
| Africa/Brazzaville | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Bujumbura | CAT | Amser Canolbarth Affrica | ||
| Africa/Cairo | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Africa/Casablanca | WET | Western European Time | ||
| Africa/Ceuta | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Africa/Conakry | GMT | Amser Safonol Greenwich | ||
| Africa/Dakar | GMT | Amser Safonol Greenwich | ||
| Africa/Dar_es_Salaam | EAT | Amser Dwyrain Affrica | ||
| Africa/Djibouti | EAT | Amser Dwyrain Affrica | ||
| Africa/Douala | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/El_Aaiun | WET | Western European Time | ||
| Africa/Freetown | GMT | Amser Safonol Greenwich | ||
| Africa/Gaborone | CAT | Amser Canolbarth Affrica | ||
| Africa/Harare | CAT | Amser Canolbarth Affrica | ||
| Africa/Johannesburg | SAST | Amser Safonol De Affrica | ||
| Africa/Juba | CAT | Amser Canolbarth Affrica | ||
| Africa/Kampala | EAT | Amser Dwyrain Affrica | ||
| Africa/Khartoum | CAT | Amser Canolbarth Affrica | ||
| Africa/Kigali | CAT | Amser Canolbarth Affrica | ||
| Africa/Kinshasa | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Lagos | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Libreville | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Lome | GMT | Amser Safonol Greenwich | ||
| Africa/Luanda | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Lubumbashi | CAT | Amser Canolbarth Affrica | ||
| Africa/Lusaka | CAT | Amser Canolbarth Affrica | ||
| Africa/Malabo | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Maputo | CAT | Amser Canolbarth Affrica | ||
| Africa/Maseru | SAST | Amser Safonol De Affrica | ||
| Africa/Mbabane | SAST | Amser Safonol De Affrica | ||
| Africa/Mogadishu | EAT | Amser Dwyrain Affrica | ||
| Africa/Monrovia | GMT | Amser Safonol Greenwich | ||
| Africa/Nairobi | EAT | Amser Dwyrain Affrica | ||
| Africa/Ndjamena | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Niamey | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Nouakchott | GMT | Amser Safonol Greenwich | ||
| Africa/Ouagadougou | GMT | Amser Safonol Greenwich | ||
| Africa/Porto-Novo | WAT | Amser Safonol Gorllewin Affrica | ||
| Africa/Sao_Tome | GMT | Amser Safonol Greenwich | ||
| Africa/Timbuktu | GMT | Amser Safonol Greenwich | ||
| Africa/Tripoli | EET | Amser Safonol Dwyrain Ewrop | ||
| Africa/Tunis | CET | Amser Safonol Canolbarth Ewrop | ||
| Africa/Windhoek | CAT | Amser Canolbarth Affrica | ||
| America/Adak | HST | HDT | Amser Safonol Hawaii-Aleutian | Amser Haf Hawaii-Aleutian |
| America/Anchorage | AKST | AKDT | Amser Safonol Alaska | Amser Haf Alaska |
| America/Anguilla | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Antigua | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Araguaina | BRT | Amser Safonol Brasília | ||
| America/Argentina/Buenos_Aires | ART | Amser Safonol Ariannin | ||
| America/Argentina/Catamarca | ART | Amser Safonol Ariannin | ||
| America/Argentina/ComodRivadavia | ART | Amser Safonol Ariannin | ||
| America/Argentina/Cordoba | ART | Amser Safonol Ariannin | ||
| America/Argentina/Jujuy | ART | Amser Safonol Ariannin | ||
| America/Argentina/La_Rioja | ART | Amser Safonol Ariannin | ||
| America/Argentina/Mendoza | ART | Amser Safonol Ariannin | ||
| America/Argentina/Rio_Gallegos | ART | Amser Safonol Ariannin | ||
| America/Argentina/Salta | ART | Amser Safonol Ariannin | ||
| America/Argentina/San_Juan | ART | Amser Safonol Ariannin | ||
| America/Argentina/San_Luis | ART | Amser Safonol Ariannin | ||
| America/Argentina/Tucuman | ART | Amser Safonol Ariannin | ||
| America/Argentina/Ushuaia | ART | Amser Safonol Ariannin | ||
| America/Aruba | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Asuncion | PYT | PYST | Amser Safonol Paraguay | Amser Haf Paraguay |
| America/Atikokan | EST | Amser Safonol Dwyrain Gogledd America | ||
| America/Atka | HST | HDT | Amser Safonol Hawaii-Aleutian | Amser Haf Hawaii-Aleutian |
| America/Bahia | BRT | Amser Safonol Brasília | ||
| America/Bahia_Banderas | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Barbados | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Belem | BRT | Amser Safonol Brasília | ||
| America/Belize | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Blanc-Sablon | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Boa_Vista | AMT | Amser Safonol Amazonas | ||
| America/Bogota | COT | Amser Safonol Colombia | ||
| America/Boise | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| America/Buenos_Aires | ART | Amser Safonol Ariannin | ||
| America/Cambridge_Bay | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| America/Campo_Grande | AMT | Amser Safonol Amazonas | ||
| America/Cancun | EST | Amser Safonol Dwyrain Gogledd America | ||
| America/Caracas | VET | Amser Venezuela | ||
| America/Catamarca | ART | Amser Safonol Ariannin | ||
| America/Cayenne | GFT | Amser Guyane Ffrengig | ||
| America/Cayman | EST | Amser Safonol Dwyrain Gogledd America | ||
| America/Chicago | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Chihuahua | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Ciudad_Juarez | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| America/Coral_Harbour | EST | Amser Safonol Dwyrain Gogledd America | ||
| America/Cordoba | ART | Amser Safonol Ariannin | ||
| America/Costa_Rica | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Creston | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| America/Cuiaba | AMT | Amser Safonol Amazonas | ||
| America/Curacao | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Danmarkshavn | GMT | Amser Safonol Greenwich | ||
| America/Dawson | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| America/Dawson_Creek | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| America/Denver | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| America/Detroit | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Dominica | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Edmonton | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| America/Eirunepe | ACT | Acre Time | ||
| America/El_Salvador | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Ensenada | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| America/Fort_Nelson | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| America/Fort_Wayne | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Fortaleza | BRT | Amser Safonol Brasília | ||
| America/Glace_Bay | AST | ADT | Amser Safonol Cefnfor yr Iwerydd | Amser Haf Cefnfor yr Iwerydd |
| America/Godthab | WGT | WGST | Amser Safonol Gorllewin yr Ynys Las | Amser Haf Gorllewin yr Ynys Las |
| America/Goose_Bay | AST | ADT | Amser Safonol Cefnfor yr Iwerydd | Amser Haf Cefnfor yr Iwerydd |
| America/Grand_Turk | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Grenada | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Guadeloupe | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Guatemala | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Guayaquil | ECT | Amser Ecuador | ||
| America/Guyana | GYT | Amser Guyana | ||
| America/Halifax | AST | ADT | Amser Safonol Cefnfor yr Iwerydd | Amser Haf Cefnfor yr Iwerydd |
| America/Havana | CST | CDT | Amser Safonol Ciwba | Amser Haf Ciwa |
| America/Hermosillo | MST | Amser Safonol Pasiffig Mecsico | ||
| America/Indiana/Indianapolis | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Indiana/Knox | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Indiana/Marengo | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Indiana/Petersburg | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Indiana/Tell_City | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Indiana/Vevay | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Indiana/Vincennes | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Indiana/Winamac | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Indianapolis | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Inuvik | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| America/Iqaluit | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Jamaica | EST | Amser Safonol Dwyrain Gogledd America | ||
| America/Jujuy | ART | Amser Safonol Ariannin | ||
| America/Juneau | AKST | AKDT | Amser Safonol Alaska | Amser Haf Alaska |
| America/Kentucky/Louisville | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Kentucky/Monticello | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Knox_IN | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Kralendijk | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/La_Paz | BOT | Amser Bolifia | ||
| America/Lima | PET | Amser Safonol Periw | ||
| America/Los_Angeles | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| America/Louisville | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Lower_Princes | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Maceio | BRT | Amser Safonol Brasília | ||
| America/Managua | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Manaus | AMT | Amser Safonol Amazonas | ||
| America/Marigot | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Martinique | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Matamoros | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Mazatlan | MST | Amser Safonol Pasiffig Mecsico | ||
| America/Mendoza | ART | Amser Safonol Ariannin | ||
| America/Menominee | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Merida | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Metlakatla | AKST | AKDT | Amser Safonol Alaska | Amser Haf Alaska |
| America/Mexico_City | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Miquelon | PMST | PMDT | Amser Safonol Saint-Pierre-et-Miquelon | Amser Haf Saint-Pierre-et-Miquelon |
| America/Moncton | AST | ADT | Amser Safonol Cefnfor yr Iwerydd | Amser Haf Cefnfor yr Iwerydd |
| America/Monterrey | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Montevideo | UYT | Amser Safonol Uruguay | ||
| America/Montreal | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Montserrat | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Nassau | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/New_York | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Nipigon | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Nome | AKST | AKDT | Amser Safonol Alaska | Amser Haf Alaska |
| America/Noronha | FNT | Amser Safonol Fernando de Noronha | ||
| America/North_Dakota/Beulah | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/North_Dakota/Center | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/North_Dakota/New_Salem | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Nuuk | WGT | WGST | Amser Safonol Gorllewin yr Ynys Las | Amser Haf Gorllewin yr Ynys Las |
| America/Ojinaga | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Panama | EST | Amser Safonol Dwyrain Gogledd America | ||
| America/Pangnirtung | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Paramaribo | SRT | Amser Suriname | ||
| America/Phoenix | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| America/Port-au-Prince | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Port_of_Spain | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Porto_Acre | ACT | Acre Time | ||
| America/Porto_Velho | AMT | Amser Safonol Amazonas | ||
| America/Puerto_Rico | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Punta_Arenas | GMT-03:00 | Punta Arenas Standard Time | ||
| America/Rainy_River | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Rankin_Inlet | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Recife | BRT | Amser Safonol Brasília | ||
| America/Regina | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Resolute | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Rio_Branco | ACT | Acre Time | ||
| America/Rosario | ART | Amser Safonol Ariannin | ||
| America/Santa_Isabel | PST | PDT | Amser Safonol Gogledd Orllewin Mecsico | Amser Haf Gogledd Orllewin Mecsico |
| America/Santarem | BRT | Amser Safonol Brasília | ||
| America/Santiago | CLT | CLST | Amser Safonol Chile | Amser Haf Chile |
| America/Santo_Domingo | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Sao_Paulo | BRT | Amser Safonol Brasília | ||
| America/Scoresbysund | EGT | EGST | Amser Safonol Dwyrain yr Ynys Las | Amser Haf Dwyrain yr Ynys Las |
| America/Shiprock | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| America/Sitka | AKST | AKDT | Amser Safonol Alaska | Amser Haf Alaska |
| America/St_Barthelemy | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/St_Johns | NST | NDT | Amser Safonol Newfoundland | Amser Haf Newfoundland |
| America/St_Kitts | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/St_Lucia | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/St_Thomas | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/St_Vincent | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Swift_Current | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Tegucigalpa | CST | Amser Safonol Canolbarth Gogledd America | ||
| America/Thule | AST | ADT | Amser Safonol Cefnfor yr Iwerydd | Amser Haf Cefnfor yr Iwerydd |
| America/Thunder_Bay | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Tijuana | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| America/Toronto | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| America/Tortola | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Vancouver | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| America/Virgin | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| America/Whitehorse | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| America/Winnipeg | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| America/Yakutat | AKST | AKDT | Amser Safonol Alaska | Amser Haf Alaska |
| America/Yellowknife | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| Antarctica/Casey | AWST | Australian Western Standard Time | ||
| Antarctica/Davis | DAVT | Amser Davis | ||
| Antarctica/DumontDUrville | DDUT | Amser Dumont-d’Urville | ||
| Antarctica/Macquarie | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Antarctica/Mawson | MAWT | Amser Mawson | ||
| Antarctica/McMurdo | NZST | NZDT | Amser Safonol Seland Newydd | Amser Haf Seland Newydd |
| Antarctica/Palmer | CLT | Chile Time | ||
| Antarctica/Rothera | ROTT | Amser Rothera | ||
| Antarctica/South_Pole | NZST | NZDT | Amser Safonol Seland Newydd | Amser Haf Seland Newydd |
| Antarctica/Syowa | SYOT | Amser Syowa | ||
| Antarctica/Troll | GMT | CEST | Amser Safonol Greenwich | Central European Summer Time |
| Antarctica/Vostok | VOST | Amser Vostok | ||
| Arctic/Longyearbyen | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Asia/Aden | AST | Amser Safonol Arabaidd | ||
| Asia/Almaty | ALMT | Amser Dwyrain Kazakhstan | ||
| Asia/Amman | EET | Amser Safonol Dwyrain Ewrop | ||
| Asia/Anadyr | ANAT | Anadyr Time | ||
| Asia/Aqtau | AQTT | Amser Gorllewin Kazakhstan | ||
| Asia/Aqtobe | AQTT | Amser Gorllewin Kazakhstan | ||
| Asia/Ashgabat | TMT | Amser Safonol Tyrcmenistan | ||
| Asia/Ashkhabad | TMT | Amser Safonol Tyrcmenistan | ||
| Asia/Atyrau | GMT+05:00 | Amser Gorllewin Kazakhstan | ||
| Asia/Baghdad | AST | Amser Safonol Arabaidd | ||
| Asia/Bahrain | AST | Amser Safonol Arabaidd | ||
| Asia/Baku | AZT | Amser Safonol Aserbaijan | ||
| Asia/Bangkok | ICT | Amser Indo-Tsieina | ||
| Asia/Barnaul | GMT+07:00 | Barnaul Standard Time | ||
| Asia/Beirut | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Asia/Bishkek | KGT | Amser Kyrgyzstan | ||
| Asia/Brunei | BNT | Amser Brunei Darussalam | ||
| Asia/Calcutta | IST | Amser India | ||
| Asia/Chita | YAKT | Amser Safonol Yakutsk | ||
| Asia/Choibalsan | CHOT | Amser Safonol Ulan Bator | ||
| Asia/Chongqing | CST | Amser Safonol Tsieina | ||
| Asia/Chungking | CST | Amser Safonol Tsieina | ||
| Asia/Colombo | IST | Amser India | ||
| Asia/Dacca | BDT | Amser Safonol Bangladesh | ||
| Asia/Damascus | EET | Amser Safonol Dwyrain Ewrop | ||
| Asia/Dhaka | BDT | Amser Safonol Bangladesh | ||
| Asia/Dili | TLT | Amser Dwyrain Timor | ||
| Asia/Dubai | GST | Amser Safonol y Gwlff | ||
| Asia/Dushanbe | TJT | Amser Tajicistan | ||
| Asia/Famagusta | EET | EEST | Eastern European Time | Eastern European Summer Time |
| Asia/Gaza | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Asia/Harbin | CST | Amser Safonol Tsieina | ||
| Asia/Hebron | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Asia/Ho_Chi_Minh | ICT | Amser Indo-Tsieina | ||
| Asia/Hong_Kong | HKT | Amser Safonol Hong Kong | ||
| Asia/Hovd | HOVT | Amser Safonol Hovd | ||
| Asia/Irkutsk | IRKT | Amser Safonol Irkutsk | ||
| Asia/Istanbul | TRT | Turkey Time | ||
| Asia/Jakarta | WIB | Amser Gorllewin Indonesia | ||
| Asia/Jayapura | WIT | Amser Dwyrain Indonesia | ||
| Asia/Jerusalem | IST | IDT | Amser Safonol Israel | Amser Haf Israel |
| Asia/Kabul | AFT | Amser Afghanistan | ||
| Asia/Kamchatka | PETT | Petropavlovsk-Kamchatski Time | ||
| Asia/Karachi | PKT | Amser Safonol Pakistan | ||
| Asia/Kashgar | XJT | Xinjiang Standard Time | ||
| Asia/Kathmandu | NPT | Amser Nepal | ||
| Asia/Katmandu | NPT | Amser Nepal | ||
| Asia/Khandyga | YAKT | Amser Safonol Yakutsk | ||
| Asia/Kolkata | IST | Amser India | ||
| Asia/Krasnoyarsk | KRAT | Amser Safonol Krasnoyarsk | ||
| Asia/Kuala_Lumpur | MYT | Amser Malaysia | ||
| Asia/Kuching | MYT | Amser Malaysia | ||
| Asia/Kuwait | AST | Amser Safonol Arabaidd | ||
| Asia/Macao | CST | Amser Safonol Tsieina | ||
| Asia/Macau | CST | Amser Safonol Tsieina | ||
| Asia/Magadan | MAGT | Amser Safonol Magadan | ||
| Asia/Makassar | WITA | Amser Canolbarth Indonesia | ||
| Asia/Manila | PST | Amser Safonol Pilipinas | ||
| Asia/Muscat | GST | Amser Safonol y Gwlff | ||
| Asia/Nicosia | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Asia/Novokuznetsk | KRAT | Amser Safonol Krasnoyarsk | ||
| Asia/Novosibirsk | NOVT | Amser Safonol Novosibirsk | ||
| Asia/Omsk | OMST | Amser Safonol Omsk | ||
| Asia/Oral | ORAT | Amser Gorllewin Kazakhstan | ||
| Asia/Phnom_Penh | ICT | Amser Indo-Tsieina | ||
| Asia/Pontianak | WIB | Amser Gorllewin Indonesia | ||
| Asia/Pyongyang | KST | Amser Safonol Corea | ||
| Asia/Qatar | AST | Amser Safonol Arabaidd | ||
| Asia/Qostanay | QOST | Amser Dwyrain Kazakhstan | ||
| Asia/Qyzylorda | QYZT | Amser Gorllewin Kazakhstan | ||
| Asia/Rangoon | MMT | Amser Myanmar | ||
| Asia/Riyadh | AST | Amser Safonol Arabaidd | ||
| Asia/Saigon | ICT | Amser Indo-Tsieina | ||
| Asia/Sakhalin | SAKT | Amser Safonol Sakhalin | ||
| Asia/Samarkand | UZT | Amser Safonol Uzbekistan | ||
| Asia/Seoul | KST | Amser Safonol Corea | ||
| Asia/Shanghai | CST | Amser Safonol Tsieina | ||
| Asia/Singapore | SGT | Amser Singapore | ||
| Asia/Srednekolymsk | SRET | Srednekolymsk Time | ||
| Asia/Taipei | CST | Amser Safonol Taipei | ||
| Asia/Tashkent | UZT | Amser Safonol Uzbekistan | ||
| Asia/Tbilisi | GET | Amser Safonol Georgia | ||
| Asia/Tehran | IRST | Amser Safonol Iran | ||
| Asia/Tel_Aviv | IST | IDT | Amser Safonol Israel | Amser Haf Israel |
| Asia/Thimbu | BTT | Amser Bhutan | ||
| Asia/Thimphu | BTT | Amser Bhutan | ||
| Asia/Tokyo | JST | Amser Safonol Japan | ||
| Asia/Tomsk | GMT+07:00 | Tomsk Standard Time | ||
| Asia/Ujung_Pandang | WITA | Amser Canolbarth Indonesia | ||
| Asia/Ulaanbaatar | ULAT | Amser Safonol Ulan Bator | ||
| Asia/Ulan_Bator | ULAT | Amser Safonol Ulan Bator | ||
| Asia/Urumqi | XJT | Xinjiang Standard Time | ||
| Asia/Ust-Nera | VLAT | Amser Safonol Vladivostok | ||
| Asia/Vientiane | ICT | Amser Indo-Tsieina | ||
| Asia/Vladivostok | VLAT | Amser Safonol Vladivostok | ||
| Asia/Yakutsk | YAKT | Amser Safonol Yakutsk | ||
| Asia/Yangon | MMT | Amser Myanmar | ||
| Asia/Yekaterinburg | YEKT | Amser Safonol Yekaterinburg | ||
| Asia/Yerevan | AMT | Amser Safonol Armenia | ||
| Atlantic/Azores | AZOT | AZOST | Amser Safonol yr Azores | Amser Haf yr Azores |
| Atlantic/Bermuda | AST | ADT | Amser Safonol Cefnfor yr Iwerydd | Amser Haf Cefnfor yr Iwerydd |
| Atlantic/Canary | WET | WEST | Amser Safonol Gorllewin Ewrop | Amser Haf Gorllewin Ewrop |
| Atlantic/Cape_Verde | CVT | Amser Safonol Cabo Verde | ||
| Atlantic/Faeroe | WET | WEST | Amser Safonol Gorllewin Ewrop | Amser Haf Gorllewin Ewrop |
| Atlantic/Faroe | WET | WEST | Amser Safonol Gorllewin Ewrop | Amser Haf Gorllewin Ewrop |
| Atlantic/Jan_Mayen | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Atlantic/Madeira | WET | WEST | Amser Safonol Gorllewin Ewrop | Amser Haf Gorllewin Ewrop |
| Atlantic/Reykjavik | GMT | Amser Safonol Greenwich | ||
| Atlantic/South_Georgia | GST | Amser De Georgia | ||
| Atlantic/St_Helena | GMT | Amser Safonol Greenwich | ||
| Atlantic/Stanley | FKT | Amser Safonol Ynysoedd Falklands/Malvinas | ||
| Australia/ACT | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Australia/Adelaide | ACST | ACDT | Amser Safonol Canolbarth Awstralia | Amser Haf Canolbarth Awstralia |
| Australia/Brisbane | AEST | Amser Safonol Dwyrain Awstralia | ||
| Australia/Broken_Hill | ACST | ACDT | Amser Safonol Canolbarth Awstralia | Amser Haf Canolbarth Awstralia |
| Australia/Canberra | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Australia/Currie | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Australia/Darwin | ACST | Amser Safonol Canolbarth Awstralia | ||
| Australia/Eucla | ACWST | Amser Safonol Canolbarth Gorllewin Awstralia | ||
| Australia/Hobart | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Australia/LHI | LHST | LHDT | Amser Safonol yr Arglwydd Howe | Amser Haf yr Arglwydd Howe |
| Australia/Lindeman | AEST | Amser Safonol Dwyrain Awstralia | ||
| Australia/Lord_Howe | LHST | LHDT | Amser Safonol yr Arglwydd Howe | Amser Haf yr Arglwydd Howe |
| Australia/Melbourne | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Australia/NSW | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Australia/North | ACST | Amser Safonol Canolbarth Awstralia | ||
| Australia/Perth | AWST | Amser Safonol Gorllewin Awstralia | ||
| Australia/Queensland | AEST | Amser Safonol Dwyrain Awstralia | ||
| Australia/South | ACST | ACDT | Amser Safonol Canolbarth Awstralia | Amser Haf Canolbarth Awstralia |
| Australia/Sydney | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Australia/Tasmania | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Australia/Victoria | AEST | AEDT | Amser Safonol Dwyrain Awstralia | Amser Haf Dwyrain Awstralia |
| Australia/West | AWST | Amser Safonol Gorllewin Awstralia | ||
| Australia/Yancowinna | ACST | ACDT | Amser Safonol Canolbarth Awstralia | Amser Haf Canolbarth Awstralia |
| BET | BRT | Amser Safonol Brasília | ||
| BST | BDT | Amser Safonol Bangladesh | ||
| Brazil/Acre | ACT | Acre Time | ||
| Brazil/DeNoronha | FNT | Amser Safonol Fernando de Noronha | ||
| Brazil/East | BRT | Amser Safonol Brasília | ||
| Brazil/West | AMT | Amser Safonol Amazonas | ||
| CAT | CAT | Amser Canolbarth Affrica | ||
| CET | CET | CEST | Central European Time | Central European Summer Time |
| CNT | NST | NDT | Amser Safonol Newfoundland | Amser Haf Newfoundland |
| CST | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| CST6CDT | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| CTT | CST | Amser Safonol Tsieina | ||
| Canada/Atlantic | AST | ADT | Amser Safonol Cefnfor yr Iwerydd | Amser Haf Cefnfor yr Iwerydd |
| Canada/Central | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| Canada/Eastern | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| Canada/Mountain | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| Canada/Newfoundland | NST | NDT | Amser Safonol Newfoundland | Amser Haf Newfoundland |
| Canada/Pacific | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| Canada/Saskatchewan | CST | Amser Safonol Canolbarth Gogledd America | ||
| Canada/Yukon | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| Chile/Continental | CLT | CLST | Amser Safonol Chile | Amser Haf Chile |
| Chile/EasterIsland | EAST | EASST | Amser Safonol Ynys y Pasg | Amser Haf Ynys y Pasg |
| Cuba | CST | CDT | Amser Safonol Ciwba | Amser Haf Ciwa |
| EAT | EAT | Amser Dwyrain Affrica | ||
| ECT | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| EET | EET | EEST | Eastern European Time | Eastern European Summer Time |
| EST | EST | Eastern Standard Time | ||
| EST5EDT | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| Egypt | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Eire | GMT | IST | Amser Safonol Greenwich | Amser Safonol Iwerddon |
| Etc/GMT | GMT | Amser Safonol Greenwich | ||
| Etc/GMT+0 | GMT | Amser Safonol Greenwich | ||
| Etc/GMT+1 | GMT-01:00 | GMT-01:00 | ||
| Etc/GMT+10 | GMT-10:00 | GMT-10:00 | ||
| Etc/GMT+11 | GMT-11:00 | GMT-11:00 | ||
| Etc/GMT+12 | GMT-12:00 | GMT-12:00 | ||
| Etc/GMT+2 | GMT-02:00 | GMT-02:00 | ||
| Etc/GMT+3 | GMT-03:00 | GMT-03:00 | ||
| Etc/GMT+4 | GMT-04:00 | GMT-04:00 | ||
| Etc/GMT+5 | GMT-05:00 | GMT-05:00 | ||
| Etc/GMT+6 | GMT-06:00 | GMT-06:00 | ||
| Etc/GMT+7 | GMT-07:00 | GMT-07:00 | ||
| Etc/GMT+8 | GMT-08:00 | GMT-08:00 | ||
| Etc/GMT+9 | GMT-09:00 | GMT-09:00 | ||
| Etc/GMT-0 | GMT | Amser Safonol Greenwich | ||
| Etc/GMT-1 | GMT+01:00 | GMT+01:00 | ||
| Etc/GMT-10 | GMT+10:00 | GMT+10:00 | ||
| Etc/GMT-11 | GMT+11:00 | GMT+11:00 | ||
| Etc/GMT-12 | GMT+12:00 | GMT+12:00 | ||
| Etc/GMT-13 | GMT+13:00 | GMT+13:00 | ||
| Etc/GMT-14 | GMT+14:00 | GMT+14:00 | ||
| Etc/GMT-2 | GMT+02:00 | GMT+02:00 | ||
| Etc/GMT-3 | GMT+03:00 | GMT+03:00 | ||
| Etc/GMT-4 | GMT+04:00 | GMT+04:00 | ||
| Etc/GMT-5 | GMT+05:00 | GMT+05:00 | ||
| Etc/GMT-6 | GMT+06:00 | GMT+06:00 | ||
| Etc/GMT-7 | GMT+07:00 | GMT+07:00 | ||
| Etc/GMT-8 | GMT+08:00 | GMT+08:00 | ||
| Etc/GMT-9 | GMT+09:00 | GMT+09:00 | ||
| Etc/GMT0 | GMT | Amser Safonol Greenwich | ||
| Etc/Greenwich | GMT | Amser Safonol Greenwich | ||
| Etc/UCT | UTC | Amser Cyffredniol Cydlynol | ||
| Etc/UTC | UTC | Amser Cyffredniol Cydlynol | ||
| Etc/Universal | UTC | Amser Cyffredniol Cydlynol | ||
| Etc/Zulu | UTC | Amser Cyffredniol Cydlynol | ||
| Europe/Amsterdam | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Andorra | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Astrakhan | GMT+04:00 | Astrakhan Standard Time | ||
| Europe/Athens | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Belfast | GMT | BST | Amser Safonol Greenwich | Amser Haf Prydain |
| Europe/Belgrade | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Berlin | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Bratislava | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Brussels | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Bucharest | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Budapest | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Busingen | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Chisinau | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Copenhagen | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Dublin | GMT | IST | Amser Safonol Greenwich | Amser Safonol Iwerddon |
| Europe/Gibraltar | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Guernsey | GMT | BST | Amser Safonol Greenwich | British Summer Time |
| Europe/Helsinki | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Isle_of_Man | GMT | BST | Amser Safonol Greenwich | British Summer Time |
| Europe/Istanbul | TRT | Turkey Time | ||
| Europe/Jersey | GMT | BST | Amser Safonol Greenwich | British Summer Time |
| Europe/Kaliningrad | EET | Amser Safonol Dwyrain Ewrop | ||
| Europe/Kiev | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Kirov | MSK | Moscow Standard Time | ||
| Europe/Kyiv | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Lisbon | WET | WEST | Amser Safonol Gorllewin Ewrop | Amser Haf Gorllewin Ewrop |
| Europe/Ljubljana | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/London | GMT | BST | Amser Safonol Greenwich | Amser Haf Prydain |
| Europe/Luxembourg | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Madrid | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Malta | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Mariehamn | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Minsk | MSK | Amser Safonol Moscfa | ||
| Europe/Monaco | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Moscow | MSK | Amser Safonol Moscfa | ||
| Europe/Nicosia | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Oslo | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Paris | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Podgorica | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Prague | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Riga | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Rome | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Samara | SAMT | Amser Safonol Samara | ||
| Europe/San_Marino | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Sarajevo | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Saratov | GMT+04:00 | Saratov Standard Time | ||
| Europe/Simferopol | MSK | Amser Safonol Moscfa | ||
| Europe/Skopje | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Sofia | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Stockholm | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Tallinn | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Tirane | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Tiraspol | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Ulyanovsk | GMT+04:00 | Ulyanovsk Standard Time | ||
| Europe/Uzhgorod | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Vaduz | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Vatican | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Vienna | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Vilnius | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Volgograd | MSK | Amser Safonol Volgograd | ||
| Europe/Warsaw | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Zagreb | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Europe/Zaporozhye | EET | EEST | Amser Safonol Dwyrain Ewrop | Amser Haf Dwyrain Ewrop |
| Europe/Zurich | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| GB | GMT | BST | Amser Safonol Greenwich | Amser Haf Prydain |
| GB-Eire | GMT | BST | Amser Safonol Greenwich | Amser Haf Prydain |
| GMT | GMT | Amser Safonol Greenwich | ||
| GMT0 | GMT | Amser Safonol Greenwich | ||
| Greenwich | GMT | Amser Safonol Greenwich | ||
| HST | HST | Hawaii Standard Time | ||
| Hongkong | HKT | Amser Safonol Hong Kong | ||
| IET | EST | EDT | Eastern Standard Time | Eastern Daylight Time |
| IST | IST | India Standard Time | ||
| Iceland | GMT | Amser Safonol Greenwich | ||
| Indian/Antananarivo | EAT | Amser Dwyrain Affrica | ||
| Indian/Chagos | IOT | Amser Cefnfor India | ||
| Indian/Christmas | CXT | Amser Ynys Y Nadolig | ||
| Indian/Cocos | CCT | Amser Ynysoedd Cocos | ||
| Indian/Comoro | EAT | Amser Dwyrain Affrica | ||
| Indian/Kerguelen | TFT | Amser Tiroedd Ffrainc yn y De a’r Antarctig | ||
| Indian/Mahe | SCT | Amser Seychelles | ||
| Indian/Maldives | MVT | Amser Y Maldives | ||
| Indian/Mauritius | MUT | Amser Safonol Mauritius | ||
| Indian/Mayotte | EAT | Amser Dwyrain Affrica | ||
| Indian/Reunion | RET | Amser Réunion | ||
| Iran | IRST | Amser Safonol Iran | ||
| Israel | IST | IDT | Amser Safonol Israel | Amser Haf Israel |
| JST | JST | Amser Safonol Japan | ||
| Jamaica | EST | Amser Safonol Dwyrain Gogledd America | ||
| Japan | JST | Amser Safonol Japan | ||
| Kwajalein | MHT | Amser Ynysoedd Marshall | ||
| Libya | EET | Amser Safonol Dwyrain Ewrop | ||
| MET | MET | MEST | Middle Europe Time | Middle Europe Summer Time |
| MIT | WSST | Amser Safonol Apia | ||
| MST | MST | Mountain Standard Time | ||
| MST7MDT | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| Mexico/BajaNorte | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| Mexico/BajaSur | MST | Amser Safonol Pasiffig Mecsico | ||
| Mexico/General | CST | Amser Safonol Canolbarth Gogledd America | ||
| NET | AMT | Amser Safonol Armenia | ||
| NST | NZST | NZDT | Amser Safonol Seland Newydd | Amser Haf Seland Newydd |
| NZ | NZST | NZDT | Amser Safonol Seland Newydd | Amser Haf Seland Newydd |
| NZ-CHAT | CHAST | CHADT | Amser Safonol Chatham | Amser Haf Chatham |
| Navajo | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| PLT | PKT | Amser Safonol Pakistan | ||
| PNT | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| PRC | CST | Amser Safonol Tsieina | ||
| PRT | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| PST | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| PST8PDT | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| Pacific/Apia | WSST | Amser Safonol Apia | ||
| Pacific/Auckland | NZST | NZDT | Amser Safonol Seland Newydd | Amser Haf Seland Newydd |
| Pacific/Bougainville | BST | Bougainville Standard Time | ||
| Pacific/Chatham | CHAST | CHADT | Amser Safonol Chatham | Amser Haf Chatham |
| Pacific/Chuuk | CHUT | Amser Chuuk | ||
| Pacific/Easter | EAST | EASST | Amser Safonol Ynys y Pasg | Amser Haf Ynys y Pasg |
| Pacific/Efate | VUT | Amser Safonol Vanuatu | ||
| Pacific/Enderbury | PHOT | Amser Ynysoedd Phoenix | ||
| Pacific/Fakaofo | TKT | Amser Tokelau | ||
| Pacific/Fiji | FJT | Amser Safonol Fiji | ||
| Pacific/Funafuti | TVT | Amser Tuvalu | ||
| Pacific/Galapagos | GALT | Amser Galapagos | ||
| Pacific/Gambier | GAMT | Amser Gambier | ||
| Pacific/Guadalcanal | SBT | Amser Ynysoedd Solomon | ||
| Pacific/Guam | ChST | Amser Chamorro | ||
| Pacific/Honolulu | HST | Amser Safonol Hawaii-Aleutian | ||
| Pacific/Johnston | HST | Amser Safonol Hawaii-Aleutian | ||
| Pacific/Kanton | GMT+13:00 | Amser Safonol Kanton | ||
| Pacific/Kiritimati | LINT | Amser Ynysoedd Line | ||
| Pacific/Kosrae | KOST | Amser Kosrae | ||
| Pacific/Kwajalein | MHT | Amser Ynysoedd Marshall | ||
| Pacific/Majuro | MHT | Amser Ynysoedd Marshall | ||
| Pacific/Marquesas | MART | Amser Marquises | ||
| Pacific/Midway | SST | Amser Safonol Samoa | ||
| Pacific/Nauru | NRT | Amser Nauru | ||
| Pacific/Niue | NUT | Amser Niue | ||
| Pacific/Norfolk | NFT | NFST | Amser Safonol Ynys Norfolk | Amser Haf Ynys Norfolk |
| Pacific/Noumea | NCT | Amser Safonol Caledonia Newydd | ||
| Pacific/Pago_Pago | SST | Amser Safonol Samoa | ||
| Pacific/Palau | PWT | Amser Palau | ||
| Pacific/Pitcairn | PST | Amser Pitcairn | ||
| Pacific/Pohnpei | PONT | Amser Pohnpei | ||
| Pacific/Ponape | PONT | Amser Pohnpei | ||
| Pacific/Port_Moresby | PGT | Amser Papua Guinea Newydd | ||
| Pacific/Rarotonga | CKT | Amser Safonol Ynysoedd Cook | ||
| Pacific/Saipan | ChST | Amser Chamorro | ||
| Pacific/Samoa | SST | Amser Safonol Samoa | ||
| Pacific/Tahiti | TAHT | Amser Tahiti | ||
| Pacific/Tarawa | GILT | Amser Ynysoedd Gilbert | ||
| Pacific/Tongatapu | TOT | Amser Safonol Tonga | ||
| Pacific/Truk | CHUT | Amser Chuuk | ||
| Pacific/Wake | WAKT | Amser Ynys Wake | ||
| Pacific/Wallis | WFT | Amser Wallis a Futuna | ||
| Pacific/Yap | CHUT | Amser Chuuk | ||
| Poland | CET | CEST | Amser Safonol Canolbarth Ewrop | Amser Haf Canolbarth Ewrop |
| Portugal | WET | WEST | Amser Safonol Gorllewin Ewrop | Amser Haf Gorllewin Ewrop |
| ROK | KST | Amser Safonol Corea | ||
| SST | SBT | Amser Ynysoedd Solomon | ||
| Singapore | SGT | Amser Singapore | ||
| SystemV/AST4 | AST | Amser Safonol Cefnfor yr Iwerydd | ||
| SystemV/AST4ADT | AST | ADT | Amser Safonol Cefnfor yr Iwerydd | Amser Haf Cefnfor yr Iwerydd |
| SystemV/CST6 | CST | Amser Safonol Canolbarth Gogledd America | ||
| SystemV/CST6CDT | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| SystemV/EST5 | EST | Amser Safonol Dwyrain Gogledd America | ||
| SystemV/EST5EDT | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| SystemV/HST10 | HST | Amser Safonol Hawaii-Aleutian | ||
| SystemV/MST7 | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| SystemV/MST7MDT | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| SystemV/PST8 | PST | Amser Pitcairn | ||
| SystemV/PST8PDT | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| SystemV/YST9 | AKST | Amser Gambier | ||
| SystemV/YST9YDT | AKST | AKDT | Amser Safonol Alaska | Amser Haf Alaska |
| Turkey | TRT | Turkey Time | ||
| UCT | UTC | Amser Cyffredniol Cydlynol | ||
| US/Alaska | AKST | AKDT | Amser Safonol Alaska | Amser Haf Alaska |
| US/Aleutian | HST | HDT | Amser Safonol Hawaii-Aleutian | Amser Haf Hawaii-Aleutian |
| US/Arizona | MST | Amser Safonol Mynyddoedd Gogledd America | ||
| US/Central | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| US/East-Indiana | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| US/Eastern | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| US/Hawaii | HST | Amser Safonol Hawaii-Aleutian | ||
| US/Indiana-Starke | CST | CDT | Amser Safonol Canolbarth Gogledd America | Amser Haf Canolbarth Gogledd America |
| US/Michigan | EST | EDT | Amser Safonol Dwyrain Gogledd America | Amser Haf Dwyrain Gogledd America |
| US/Mountain | MST | MDT | Amser Safonol Mynyddoedd Gogledd America | Amser Haf Mynyddoedd Gogledd America |
| US/Pacific | PST | PDT | Amser Safonol Cefnfor Tawel Gogledd America | Amser Haf Cefnfor Tawel Gogledd America |
| US/Samoa | SST | Amser Safonol Samoa | ||
| UTC | UTC | Amser Cyffredniol Cydlynol | ||
| Universal | UTC | Amser Cyffredniol Cydlynol | ||
| VST | ICT | Indochina Time | ||
| W-SU | MSK | Amser Safonol Moscfa | ||
| WET | WET | WEST | Western European Time | Western European Summer Time |
| Zulu | UTC | Amser Cyffredniol Cydlynol |