| AMST | Armenia Summer Time (Yerevan) |
| AMT | Armenia Time (Yerevan) |
| ANAST | Anadyr Summer Time (Russia) |
| ANAT | Anadyr Time (Russia) |
| ART | Argentina Time |
| AZOST | Azores Summer Time |
| AZOT | Azores Time |
| AZST | Azerbaijan Summer Time |
| AZT | Azerbaijan Time |
| BNT | Brunei Darussalam Time |
| BORT | Borneo Time (Indonesia) |
| BOT | Bolivia Time |
| BRA | Brazil Time |
| BST* | British Summer Time |
| BT | Baghdad Time |
| BTT | Bhutan Time |
| CCT | China Coast Time |
| CHADT | Chatham Island Daylight Time (13:45) |
| CHAST | Chatham Island Time (12:45) |
| CKT | Cook Islands Time |
| CLST | Chile Summer Time |
| CLT | Chile Time |
| COT | Columbia Time |
| CVT | Christmas Island Time (Indian Ocean) |
| CXT | Christmas Island Time (Indian Ocean) |
| DAVT | Davis Time (Antarctica) |
| DDUT | Dumont-d'Urville Time (Antarctica) |
| EASST | Easter Island Summer Time |
| EAST* | Easter Island Time |
| EAT | East Africa Time |
| EAST | Indian Antananarivo Savings Time |
| EAT | Indian Antananarivo Time |
| ECT | Eastern Caribbean Time |
| ECT | Ecuador Time |
| EEST | Eastern Europe Summer Time |
| EETDST* | Eastern Europe Daylight Time |
| EGST | East Greenland Summer Time |
| EGT | East Greenland Time |
| FJST | Fiji Summer Time (13 hour offset!) |
| FJT | Fiji Time |
| FKST | Falkland Islands Summer Time |
| FKT | Falkland Islands Time |
| GALT | Galapagos Time |
| GAMT | Gambier Time |
| GEST | Georgia Summer Time |
| GET | Georgia Time |
| GFT | French Guiana Time |
| GILT | Gilbert Islands Time |
| GYT | Guyana Time |
| HDT* | Hawaii/Alaska Daylight Time |
| HMT- | Hellas |
| HKT | Hong Kong Time |
| ICT | Indochina Time |
| IRKST | Irkutsk Summer Time |
| IRKT | Irkutsk Time |
| IRT | Iran Time |
| JAVT | Java Time (07:00 see JT) |
| JAYT | Jayapura Time (Indonesia) |
| JT | Java Time (07:30 see JAVT) |
| KDT | Korea Daylight Time |
| KGST | Kyrgyzstan Summer Time |
| KGT | Kyrgyzstan Time |
| KOST | Kosrae Time |
| KRAST | Krasnoyarsk Summer Time |
| KRAT | Krasnoyarsk Standard Time |
| LHDT | Lord Howe Daylight Time, Australia |
| LHST | Lord Howe Standard Time, Australia |
| LINT | Line Islands Time (Kiribati; +14 hours!) |
| LKT | Lanka Time |
| MAGST | Magadan Summer Time |
| MAGT | Magadan Time |
| MART | Marquesas Time |
| MMT | Myannar Time |
| MPT | North Mariana Islands Time |
| MSD | Moscow Summer Time |
| MSK | Moscow Time |
| MUT* | Mauritius Island Time |
| MVT* | Maldives Island Time |
| MYT | Malaysia Time |
| NCT | New Caledonia Time |
| NOVST | Novosibirsk Summer Time |
| NOVT | Novosibirsk Standard Time |
| NUT | Niue Time |
| OMSST | Omsk Summer Time |
| OMST | Omsk Time |
| PET | Peru Time |
| PETST | Petropavlovsk-Kamchatski Summer Time |
| PETT | Petropavlovsk-Kamchatski Time |
| PGT | Papua New Guinea Time |
| PHOT | Phoenix Islands (Kiribati) Time |
| PHT | Phillipine Time |
| PKT | Pakistan Time |
| PMDT | Pierre & Miquelon Daylight Time |
| PONT | Ponape Time (Micronesia) |
| PWT | Palau Time |
| PYST | Paraguay Summer Time |
| PYT | Paraguay Time |
| T | Filler for ISO time fields |
| THAT | Tahiti Time |
| TJT | Tajikistan Time |
| TKT | Tokelau Time |
| TMT | Turkmenistan Time |
| TOT | Tonga Time |
| TRUK | Truk Time |
| ULAST | Ulan Bator Summer Time |
| ULAT | Ulan Bator Time |
| UYST | Uruguay Summer Time |
| UYT | Uruguay Time |
| UZST | Uzbekistan Summer Time |
| UZT | Uzbekistan Time |
| VET | Venezuela Time |
| VLAST | Vladivostok Summer Time |
| VLAT | Vladivostok Time |
| VUT | Vanuata Time |
| WAKT | Wake Time |
| WEST | Western Europe Summer Time |
| WETDST | Western Europe Daylight Savings Time |
| WFT | Wallis and Futuna Time |
| WGST | West Greenland Summer Time |
| WGT | West Greenland Time |
| WST | West Australian Standard Time |
| YAKST | Yakutsk Summer Time |
| YAKT | Yakutsk Time |
| YAPT | Yap Time (Micronesia) |
| YEKST | Yekaterinburg Summer Time |
| YEKT | Yekaterinburg Time |