| Abbr. | Name | UTC offset |
|---|
| ACDT | Australian Central Daylight Saving Time |
UTC+10:30 |
| ACST | Australian Central Standard Time |
UTC+09:30 |
| ACT | Acre Time |
UTC−05:00 |
| ACT | ASEAN Common Time (proposed) |
UTC+08:00 |
| ACWST | Australian Central Western Standard Time (unofficial) |
UTC+08:45 |
| ADT | Atlantic Daylight Time |
UTC−03:00 |
| AEDT | Australian Eastern Daylight Saving Time |
UTC+11:00 |
| AEST | Australian Eastern Standard Time |
UTC+10:00 |
| AET (AEST/AEDT) | Australian Eastern Time |
UTC+10:00 / UTC+11:00 |
| AFT | Afghanistan Time |
UTC+04:30 |
| AKDT | Alaska Daylight Time |
UTC−08:00 |
| AKST | Alaska Standard Time |
UTC−09:00 |
| ALMT | Alma-Ata Time[1] |
UTC+06:00 |
| AMST | Amazon Summer Time (Brazil)[2] |
UTC−03:00 |
| AMT | Amazon Time (Brazil)[3] |
UTC−04:00 |
| AMT | Armenia Time |
UTC+04:00 |
| ANAT | Anadyr Time[4] |
UTC+12:00 |
| AQTT | Aqtobe Time[5] |
UTC+05:00 |
| ART | Argentina Time |
UTC−03:00 |
| AST | Arabia Standard Time |
UTC+03:00 |
| AST | Atlantic Standard Time |
UTC−04:00 |
| AWST | Australian Western Standard Time |
UTC+08:00 |
| AZOST | Azores Summer Time |
UTC+00:00 |
| AZOT | Azores Standard Time |
UTC−01:00 |
| AZT | Azerbaijan Time |
UTC+04:00 |
| BNT | Brunei Time |
UTC+08:00 |
| BIOT | British Indian Ocean Time |
UTC+06:00 |
| BIT | Baker Island Time |
UTC−12:00 |
| BOT | Bolivia Time |
UTC−04:00 |
| BRST | Brasília Summer Time |
UTC−02:00 |
| BRT | Brasília Time |
UTC−03:00 |
| BST | Bangladesh Standard Time |
UTC+06:00 |
| BST | Bougainville Standard Time[6] |
UTC+11:00 |
| BST | British Summer Time (British Standard Time from Mar 1968 to Oct 1971) |
UTC+01:00 |
| BTT | Bhutan Time |
UTC+06:00 |
| CAT | Central Africa Time |
UTC+02:00 |
| CCT | Cocos Islands Time |
UTC+06:30 |
| CDT | Central Daylight Time (North America) |
UTC−05:00 |
| CDT | Cuba Daylight Time[7] |
UTC−04:00 |
| CEST | Central European Summer Time |
UTC+02:00 |
| CET | Central European Time |
UTC+01:00 |
| CHADT | Chatham Daylight Time |
UTC+13:45 |
| CHAST | Chatham Standard Time |
UTC+12:45 |
| CHOT | Choibalsan Standard Time |
UTC+08:00 |
| CHOST | Choibalsan Summer Time |
UTC+09:00 |
| CHST | Chamorro Standard Time |
UTC+10:00 |
| CHUT | Chuuk Time |
UTC+10:00 |
| CIST | Clipperton Island Standard Time |
UTC−08:00 |
| CKT | Cook Island Time |
UTC−10:00 |
| CLST | Chile Summer Time |
UTC−03:00 |
| CLT | Chile Standard Time |
UTC−04:00 |
| COST | Colombia Summer Time |
UTC−04:00 |
| COT | Colombia Time |
UTC−05:00 |
| CST | Central Standard Time (Central America) |
UTC−06:00 |
| CST | China Standard Time |
UTC+08:00 |
| CST | Cuba Standard Time |
UTC−05:00 |
| CT (CST/CDT) | Central Time |
UTC−06:00 / UTC−05:00 |
| CVT | Cape Verde Time |
UTC−01:00 |
| CWST | Central Western Standard Time (Australia) unofficial |
UTC+08:45 |
| CXT | Christmas Island Time |
UTC+07:00 |
| DAVT | Davis Time |
UTC+07:00 |
| DDUT | Dumont d'Urville Time (in French Antarctic station) |
UTC+10:00 |
| DFT | AIX-specific equivalent of Central European Time[NB 1] |
UTC+01:00 |
| EASST | Easter Island Summer Time |
UTC−05:00 |
| EAST | Easter Island Standard Time |
UTC−06:00 |
| EAT | East Africa Time |
UTC+03:00 |
| ECT | Eastern Caribbean Time (does not recognise DST) |
UTC−04:00 |
| ECT | Ecuador Time |
UTC−05:00 |
| EDT | Eastern Daylight Time (North America) |
UTC−04:00 |
| EEST | Eastern European Summer Time |
UTC+03:00 |
| EET | Eastern European Time |
UTC+02:00 |
| EGST | Eastern Greenland Summer Time |
UTC+00:00 |
| EGT | Eastern Greenland Time |
UTC−01:00 |
| EST | Eastern Standard Time (North America) |
UTC−05:00 |
| ET (EST/EDT) | Eastern Time (North America) |
UTC−05:00 / UTC−04:00 |
| FET | Further-eastern European Time |
UTC+03:00 |
| FJT | Fiji Time |
UTC+12:00 |
| FKST | Falkland Islands Summer Time |
UTC−03:00 |
| FKT | Falkland Islands Time |
UTC−04:00 |
| FNT | Fernando de Noronha Time |
UTC−02:00 |
| GALT | Galápagos Time |
UTC−06:00 |
| GAMT | Gambier Islands Time |
UTC−09:00 |
| GET | Georgia Standard Time |
UTC+04:00 |
| GFT | French Guiana Time |
UTC−03:00 |
| GILT | Gilbert Island Time |
UTC+12:00 |
| GIT | Gambier Island Time |
UTC−09:00 |
| GMT | Greenwich Mean Time |
UTC+00:00 |
| GST | South Georgia and the South Sandwich Islands Time |
UTC−02:00 |
| GST | Gulf Standard Time |
UTC+04:00 |
| GYT | Guyana Time |
UTC−04:00 |
| HDT | Hawaii–Aleutian Daylight Time |
UTC−09:00 |
| HAEC | Heure Avancée d'Europe Centrale French-language name for CEST |
UTC+02:00 |
| HST | Hawaii–Aleutian Standard Time |
UTC−10:00 |
| HKT | Hong Kong Time |
UTC+08:00 |
| HMT | Heard and McDonald Islands Time |
UTC+05:00 |
| HOVST | Hovd Summer Time (not used from 2017–present) |
UTC+08:00 |
| HOVT | Hovd Time |
UTC+07:00 |
| ICT | Indochina Time |
UTC+07:00 |
| IDLW | International Date Line West time zone |
UTC−12:00 |
| IDT | Israel Daylight Time |
UTC+03:00 |
| IOT | Indian Ocean Time |
UTC+06:00 |
| IRDT | Iran Daylight Time |
UTC+04:30 |
| IRKT | Irkutsk Time |
UTC+08:00 |
| IRST | Iran Standard Time |
UTC+03:30 |
| IST | Indian Standard Time |
UTC+05:30 |
| IST | Irish Standard Time[8] |
UTC+01:00 |
| IST | Israel Standard Time |
UTC+02:00 |
| JST | Japan Standard Time |
UTC+09:00 |
| KALT | Kaliningrad Time |
UTC+02:00 |
| KGT | Kyrgyzstan Time |
UTC+06:00 |
| KOST | Kosrae Time |
UTC+11:00 |
| KRAT | Krasnoyarsk Time |
UTC+07:00 |
| KST | Korea Standard Time |
UTC+09:00 |
| LHST | Lord Howe Standard Time |
UTC+10:30 |
| LHST | Lord Howe Summer Time |
UTC+11:00 |
| LINT | Line Islands Time |
UTC+14:00 |
| MAGT | Magadan Time |
UTC+12:00 |
| MART | Marquesas Islands Time |
UTC−09:30 |
| MAWT | Mawson Station Time |
UTC+05:00 |
| MDT | Mountain Daylight Time (North America) |
UTC−06:00 |
| MET | Middle European Time (same zone as CET) |
UTC+01:00 |
| MEST | Middle European Summer Time (same zone as CEST) |
UTC+02:00 |
| MHT | Marshall Islands Time |
UTC+12:00 |
| MIST | Macquarie Island Station Time |
UTC+11:00 |
| MIT | Marquesas Islands Time |
UTC−09:30 |
| MMT | Myanmar Standard Time |
UTC+06:30 |
| MSK | Moscow Time |
UTC+03:00 |
| MST | Malaysian Standard Time |
UTC+08:00 |
| MST | Mountain Standard Time (North America) |
UTC−07:00 |
| MT (MST/MDT) | Mountain Time (North America) |
UTC−07:00 / UTC−06:00 |
| MUT | Mauritius Time |
UTC+04:00 |
| MVT | Maldives Time |
UTC+05:00 |
| MYT | Malaysia Time |
UTC+08:00 |
| NCT | New Caledonia Time |
UTC+11:00 |
| NDT | Newfoundland Daylight Time |
UTC−02:30 |
| NFT | Norfolk Island Time |
UTC+11:00 |
| NOVT | Novosibirsk Time [9] |
UTC+07:00 |
| NPT | Nepal Time |
UTC+05:45 |
| NST | Newfoundland Standard Time |
UTC−03:30 |
| NT | Newfoundland Time |
UTC−03:30 |
| NUT | Niue Time |
UTC−11:00 |
| NZDT | New Zealand Daylight Time |
UTC+13:00 |
| NZDST[10] | New Zealand Daylight Saving Time |
UTC+13:00 |
| NZST | New Zealand Standard Time |
UTC+12:00 |
| OMST | Omsk Time |
UTC+06:00 |
| ORAT | Oral Time |
UTC+05:00 |
| PDT | Pacific Daylight Time (North America) |
UTC−07:00 |
| PET | Peru Time |
UTC−05:00 |
| PETT | Kamchatka Time |
UTC+12:00 |
| PGT | Papua New Guinea Time |
UTC+10:00 |
| PHOT | Phoenix Island Time |
UTC+13:00 |
| PHT | Philippine Time |
UTC+08:00 |
| PHST | Philippine Standard Time |
UTC+08:00 |
| PKT | Pakistan Standard Time |
UTC+05:00 |
| PMDT | Saint Pierre and Miquelon Daylight Time |
UTC−02:00 |
| PMST | Saint Pierre and Miquelon Standard Time |
UTC−03:00 |
| PONT | Pohnpei Standard Time |
UTC+11:00 |
| PST | Pacific Standard Time (North America) |
UTC−08:00 |
| PT (PST/PDT) | Pacific Time (North America) |
UTC−08:00 / UTC−07:00 |
| PWT | Palau Time[11] |
UTC+09:00 |
| PYST | Paraguay Summer Time[12] |
UTC−03:00 |
| PYT | Paraguay Time[13] |
UTC−04:00 |
| RET | Réunion Time |
UTC+04:00 |
| ROTT | Rothera Research Station Time |
UTC−03:00 |
| SAKT | Sakhalin Island Time |
UTC+11:00 |
| SAMT | Samara Time |
UTC+04:00 |
| SAST | South African Standard Time |
UTC+02:00 |
| SBT | Solomon Islands Time |
UTC+11:00 |
| SCT | Seychelles Time |
UTC+04:00 |
| SDT | Samoa Daylight Time |
UTC−10:00 |
| SGT | Singapore Time |
UTC+08:00 |
| SLST | Sri Lanka Standard Time |
UTC+05:30 |
| SRET | Srednekolymsk Time |
UTC+11:00 |
| SRT | Suriname Time |
UTC−03:00 |
| SST | Samoa Standard Time |
UTC−11:00 |
| SYOT | Showa Station Time |
UTC+03:00 |
| TAHT | Tahiti Time |
UTC−10:00 |
| THA | Thailand Standard Time |
UTC+07:00 |
| TFT | French Southern and Antarctic Time[14] |
UTC+05:00 |
| TJT | Tajikistan Time |
UTC+05:00 |
| TKT | Tokelau Time |
UTC+13:00 |
| TLT | Timor Leste Time |
UTC+09:00 |
| TMT | Turkmenistan Time |
UTC+05:00 |
| TRT | Turkey Time |
UTC+03:00 |
| TOT | Tonga Time |
UTC+13:00 |
| TST | Taiwan Standard Time |
UTC+08:00 |
| TVT | Tuvalu Time |
UTC+12:00 |
| ULAST | Ulaanbaatar Summer Time |
UTC+09:00 |
| ULAT | Ulaanbaatar Standard Time |
UTC+08:00 |
| UTC | Coordinated Universal Time |
UTC+00:00 |
| UYST | Uruguay Summer Time |
UTC−02:00 |
| UYT | Uruguay Standard Time |
UTC−03:00 |
| UZT | Uzbekistan Time |
UTC+05:00 |
| VET | Venezuelan Standard Time |
UTC−04:00 |
| VLAT | Vladivostok Time |
UTC+10:00 |
| VOLT | Volgograd Time |
UTC+03:00 |
| VOST | Vostok Station Time |
UTC+06:00 |
| VUT | Vanuatu Time |
UTC+11:00 |
| WAKT | Wake Island Time |
UTC+12:00 |
| WAST | West Africa Summer Time |
UTC+02:00 |
| WAT | West Africa Time |
UTC+01:00 |
| WEST | Western European Summer Time |
UTC+01:00 |
| WET | Western European Time |
UTC+00:00 |
| WIB | Western Indonesian Time |
UTC+07:00 |
| WIT | Eastern Indonesian Time |
UTC+09:00 |
| WITA | Central Indonesia Time |
UTC+08:00 |
| WGST | West Greenland Summer Time[15] |
UTC−02:00 |
| WGT | West Greenland Time[16] |
UTC−03:00 |
| WST | Western Standard Time |
UTC+08:00 |
| YAKT | Yakutsk Time |
UTC+09:00 |
| YEKT | Yekaterinburg Time |
UTC+05:00 |
| Source:[17] |
