| GMT -12 | Eniwetok, Kwajalein |
| GMT -11 | Midway Island, Samoa |
| GMT -10 | Hawaii |
| GMT -9 | Alaska |
| GMT -8 | Pacific Time (US & Canada) |
| GMT -7 | Mountain Time (US & Canada) |
| GMT -6 | Central Time (US & Canada) |
| GMT -5 | Eastern Time (US & Canada) |
| GMT -4 | Atlantic Time (Canada) |
| GMT -3:30 | Newfoundland |
| GMT -3 | Brasilia, Buenos Aires, Georgetown |
| GMT -2 | Mid-Atlantic |
| GMT -1 | Azores, Cape Verde Is. |
| GMT | Greenwich Mean Time: London, Lisbon |
| GMT +1 | Amsterdam, Belgrade, Berlin, Madrid, Paris, Rome |
| GMT +2 | Athens, Istanbul, Kyiv, Minsk, Pretoria, Riga, Tallinn |
| GMT +3 | Moscow, St. Petersburg, Volgograd, Baghdad |
| GMT +3:30 | Tehran |
| GMT +4 | Abu Dhabi, Baku, Muscat, Tbilisi, Yerevan |
| GMT +4:30 | Kabul |
| GMT +5 | Islamabad, Karachi, Tashkent, Yekaterinburg |
| GMT +5:30 | Bombay, Calcutta, Colombo, Madras, New Delhi |
| GMT +5:45 | Kathmandu |
| GMT +6 | Almaty, Astana, Dhaka |
| GMT +6.30 | Rangoon |
| GMT +7 | Bangkok, Novosibirsk, Hanoi, Jakarta, Krasnoyarsk |
| GMT +8 | Beijing, Hong Kong, Irkutsk, Singapore |
| GMT +9 | Osaka, Sapporo, Seoul, Tokyo, Yakutsk |
| GMT +9:30 | Adelaide, Darwin |
| GMT +10 | Melbourne, Sydney, Vladivostok |
| GMT +11 | Magadan, New Caledonia, Solomon Is. |
| GMT +12 | Auckland, Fiji, Kamchatka, Wellington |
| GMT +13 | Nuku'alofa |
