| Code | Description |
| IDLE | (GMT+12:00) International Date Line, East |
|
| NZST | (GMT+12:00) New Zealand Standard Time |
|
| AEST | (GMT+10:00) Australia Eastern Standard Time |
| GST | (GMT+10:00) Guam Std Time, USSR Zone 9 |
|
| ACST | (GMT+09:30) Central Australia Std Time |
|
| SAT | (GMT+09:30) South Australian Standard Time |
|
| JST | (GMT+09:00) Japan Std Time, USSR Zone 8 |
|
| MT | (GMT+08:30) Moluccas Time |
|
| AWST | (GMT+08:00) Australia Western Std Time |
|
| WST | (GMT+08:00) West Australian Std Time |
|
| JT | (GMT+07:30) Java Time |
|
| ZP6 | (GMT+06:00) ZP6 |
|
| ZP5 | (GMT+05:00) ZP5 |
|
| ZP4 | (GMT+04:00) ZP4 |
|
| IT | (GMT+03:30) Iran Time |
|
| BT | (GMT+03:00) Baghdad Time |
|
| EET | (GMT+02:00) Eastern Europe, USSR Zone 1 |
|
| IST | (GMT+02:00) Israel Std Time |
|
| CET | (GMT+01:00) Central European Time |
|
| GMT | (GMT+00:00) Greenwich Mean Time |
|
| WET | (GMT+00:00) Western Europe |
|
| WAT | (GMT-01:00) West Africa Time |
|
| NST | (GMT-03:30) Newfoundland Standard Time |
|
| AST | (GMT-04:00) Atlantic Standard Time (Canada) |
| EST | (GMT-05:00) Eastern Standard Time |
|
| CST | (GMT-06:00) Central Standard Time |
|
| MST | (GMT-07:00) Mountain Standard Time |
|
| PST | (GMT-08:00) Pacific Standard Time |
|
| YST | (GMT-09:00) Yukon Standard Time |
|
| AHST | (GMT-10:00) Alaska-Hawaii Standard Time |
|
| CAT | (GMT-10:00) Central Alaska Time |
|
| NT | (GMT-11:00) Nome Time |
|
| IDLW | (GMT-12:00) International Date Line, West |
