The order of base time zones offset from UTC, in alphabetical order.
| TimeZone | BaseTimeZoneOffset |
|---|---|
| Afghanistan Standard Time | 270 |
| Aleutian Standard Time | -540 |
| Arab Standard Time | 180 |
| Arabian Standard Time | 240 |
| Atlantic Standard Time | -240 |
| AUS Central Standard Time | 570 |
| Aus Central W. Standard Time | 525 |
| AUS Eastern Standard Time | 600 |
| Azores Standard Time | -60 |
| Bangladesh Standard Time | 360 |
| Central Europe Standard Time | 60 |
| Central Standard Time | -360 |
| Chatham Islands Standard Time | 765 |
| Dateline Standard Time | -720 |
| E. Europe Standard Time | 120 |
| Eastern Standard Time | -300 |
| GMT Standard Time | 0 |
| Greenland Standard Time | -180 |
| Hawaiian Standard Time | -600 |
| India Standard Time | 330 |
| Iran Standard Time | 210 |
| Line Islands Standard Time | 840 |
| Lord Howe Standard Time | 630 |
| Magadan Standard Time | 660 |
| Marquesas Standard Time | -570 |
| Mountain Standard Time | -420 |
| Myanmar Standard Time | 390 |
| Nepal Standard Time | 345 |
| New Zealand Standard Time | 720 |
| Newfoundland Standard Time | -210 |
| Norfolk Standard Time | 690 |
| Pacific Standard Time | -480 |
| Pakistan Standard Time | 300 |
| Russia Time Zone 3 | 240 |
| SE Asia Standard Time | 420 |
| Tokyo Standard Time | 540 |
| Tonga Standard Time | 780 |
| UTC-02 | -120 |
| UTC-11 | -660 |
| Venezuela Standard Time | -270 |
| W. Australia Standard Time | 480 |