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