| (standard time) UTC diff | Summer UTC Diff | Time Zone |
| -12 | -11 | Eniwetok, kwajalein |
| -11 | -10 | Midway Island, Samoa |
| -10 | -9 | Hawaii |
| -9 | -8 | Alaska |
| -8 | -7 | Pacific Time (US and Canada) |
| -7 | -6 | Mountain Time (US and Canada) |
| -6 | -5 | Central Time (US and Canada) |
| -5 | -4 | Eastern Time (US and Canada) |
| -4 | -3 | Atlantic Time (Canada) |
| -3:30 | -2:30 | Newfoundland |
| -3 | -2 | Brasilia |
| -2 | -1 | Mid Atlantic |
| -1 | 0 | Azores |
| 0 | 1 | London |
| 1 | 2 | Berlin, Stockholm, Vienna |
| 2 | 3 | Athens, Cairo, Israel |
| 3 | 4 | Moscow |
| 3:30 | 4:30 | Tehran |
| 4 | 5 | Baku |
| 4:30 | 5:30 | Kabul |
| 5 | 6 | Islamabad |
| 5:30 | 6:30 | Bombay |
| 6 | 7 | Colombo |
| 7 | 8 | Bangkok |
| 8 | 9 | Hong Kong |
| 9 | 10 | Tokyo |
| 10 | 11 | Sydney |
| 12 | 13 | Auckland |