| Timezone | GMT Offset |
|---|
| (GMT -12:00) Eniwetok, Kwajalein | -12 |
| (GMT -11:00) Midway Island, Samoa | -11 |
| (GMT -10:00) Hawaii | -10 |
| (GMT -9:00) Alaska | -9" |
| (GMT -8:00) Pacific Time (US & Canada) | -8 |
| (GMT -7:00) Mountain Time (US & Canada) | -7 |
| (GMT -6:00) Central Time (US & Canada), Mexico City | -6 |
| (GMT -5:00) Eastern Time (US & Canada), Bogota, Lima | -5 |
| (GMT -4:00) Atlantic Time (Canada), Caracas, La Paz | -4 |
| (GMT -3:30) Newfoundland | -3.5 |
| (GMT -3:00) Brazil, Buenos Aires, Georgetown | -3 |
| (GMT -2:00) Mid-Atlantic | -2 |
| (GMT -1:00 hour) Azores, Cape Verde Islands | -1 |
| (GMT) Western Europe Time, London, Lisbon, Casablanca | 0 |
| (GMT +1:00 hour) Brussels, Copenhagen, Madrid, Paris | 1 |
| (GMT +2:00) Kaliningrad, South Africa | 2 |
| (GMT +3:00) Baghdad, Riyadh, Moscow, St. Petersburg | 3 |
| (GMT +3:30) Tehran | 3.5 |
| (GMT +4:00) Abu Dhabi, Muscat, Baku, Tbilisi | 4 |
| (GMT +4:30) Kabul | 4.5 |
| (GMT +5:00) Ekaterinburg, Islamabad, Karachi, Tashkent | 5 |
| (GMT +5:30) Bombay, Calcutta, Madras, New Delhi | 5.5 |
| (GMT +6:00) Almaty, Dhaka, Colombo | 6 |
| (GMT +7:00) Bangkok, Hanoi, Jakarta | 7 |
| (GMT +8:00) Beijing, Perth, Singapore, Hong Kong | 8 |
| (GMT +9:00) Tokyo, Seoul, Osaka, Sapporo, Yakutsk | 9 |
| (GMT +9:30) Adelaide, Darwin | 9.5 |
| (GMT +10:00) Eastern Australia, Guam, Vladivostok | 10 |
| (GMT +11:00) Magadan, Solomon Islands, New Caledonia | 11 |
| (GMT +12:00) Auckland, Wellington, Fiji, Kamchatka | 12 |