Time Zone Abbreviations
Explore common abbreviations, their UTC offsets, daylight saving behavior, and where each one is used worldwide.
| Abbr | Name | Offset | DST |
|---|---|---|---|
| A | Alpha Time Zone | +1 | — |
| ACDT | Australian Central Daylight Time | +10.30 | DST |
| ACST | Australian Central Standard Time | +9.30 | — |
| ACT | Australian Central Time also: Acre Time (UTC-5) → | +9.30 / +10.30 | — |
| ACWST | Australian Central Western Standard Time | +8.45 | — |
| ADT | Atlantic Daylight Time | -3 | DST |
| AEDT | Australian Eastern Daylight Time | +11 | DST |
| AEST | Australian Eastern Standard Time | +10 | — |
| AET | Australian Eastern Time | +10.00 / +11.00 | — |
| AFT | Afghanistan Time | +4.30 | — |
| AKDT | Alaska Daylight Time | -8 | DST |
| AKST | Alaska Standard Time | -9 | — |
| ALMT | Alma-Ata Time | +6 | — |
| AMST | Amazon Summer Time | -3 | DST |
| AMT | Amazon Time also: Armenia Time (UTC+4) → | -4 | — |
| ANAST | Anadyr Summer Time | +12 | DST |
| ANAT | Anadyr Time | +12 | — |
| AQTT | Aqtobe Time | +5 | — |
| ART | Argentina Time | -3 | — |
| AST | Atlantic Standard Time | -4 | — |
| AT | Atlantic Time | -4.00 / -3.00 | — |
| AWDT | Australian Western Daylight Time | +9 | DST |
| AWST | Australian Western Standard Time | +8 | — |
| AZOST | Azores Summer Time | +0 | DST |
| AZOT | Azores Time | -1 | — |
| AZST | Azerbaijan Summer Time | +5 | DST |
| AZT | Azerbaijan Time | +4 | — |
| AoE | Anywhere on Earth | -12 | — |
| B | Bravo Time Zone | +2 | — |
| BNT | Brunei Darussalam Time | +8 | — |
| BOT | Bolivia Time | -4 | — |
| BRST | Brasília Summer Time | -2 | DST |
| BRT | Brasília Time | -3 | — |
| BST | British Summer Time | +1 | DST |
| BTT | Bhutan Time | +6 | — |
| C | Charlie Time Zone | +3 | — |
| CAST | Casey Time | +8 | — |
| CAT | Central Africa Time | +2 | — |
| CCT | Cocos Islands Time | +6.30 | — |
| CDT | Central Daylight Time | -5 | DST |
| CEST | Central European Summer Time | +2 | DST |
| CET | Central European Time | +1 | — |
| CHADT | Chatham Island Daylight Time | +13.45 | DST |
| CHAST | Chatham Island Standard Time | +12.45 | — |
| CHOST | Choibalsan Summer Time | +9 | DST |
| CHOT | Choibalsan Time | +8 | — |
| CHUT | Chuuk Time | +10 | — |
| CIDST | Cayman Islands Daylight Saving Time | -4 | DST |
| CIST | Cayman Islands Standard Time | -5 | — |
| CKT | Cook Island Time | -10 | — |
| CLST | Chile Summer Time | -3 | DST |
| CLT | Chile Standard Time | -4 | — |
| COT | Colombia Time | -5 | — |
| CST | Central Standard Time | -6 | — |
| CT | Central Time | -6.00 / -5.00 | — |
| CVT | Cape Verde Time | -1 | — |
| CXT | Christmas Island Time | +7 | — |
| ChST | Chamorro Standard Time | +10 | — |
| D | Delta Time Zone | +4 | — |
| DAVT | Davis Time | +7 | — |
| DDUT | Dumont-d'Urville Time | +10 | — |
| E | Echo Time Zone | +5 | — |
| EASST | Easter Island Summer Time | -5 | DST |
| EAST | Easter Island Standard Time | -6 | — |
| EAT | Eastern Africa Time | +3 | — |
| ECT | Ecuador Time | -5 | — |
| EDT | Eastern Daylight Time | -4 | DST |
| EEST | Eastern European Summer Time | +3 | DST |
| EET | Eastern European Time | +2 | — |
| EGST | Eastern Greenland Summer Time | +0 | DST |
| EGT | East Greenland Time | -1 | — |
| EST | Eastern Standard Time | -5 | — |
| ET | Eastern Time | -5.00 / -4.00 | — |
| F | Foxtrot Time Zone | +6 | — |
| FET | Further-Eastern European Time | +3 | — |
| FJST | Fiji Summer Time | +13 | DST |
| FJT | Fiji Time | +12 | — |
| FKST | Falkland Islands Summer Time | -3 | DST |
| FKT | Falkland Island Time | -4 | — |
| FNT | Fernando de Noronha Time | -2 | — |
| G | Golf Time Zone | +7 | — |
| GALT | Galapagos Time | -6 | — |
| GAMT | Gambier Time | -9 | — |
| GET | Georgia Standard Time | +4 | — |
| GFT | French Guiana Time | -3 | — |
| GILT | Gilbert Island Time | +12 | — |
| GMT | Greenwich Mean Time | +0 | — |
| GST | Gulf Standard Time | +4 | — |
| GYT | Guyana Time | -4 | — |
| H | Hotel Time Zone | +8 | — |
| HDT | Hawaii-Aleutian Daylight Time | -9 | DST |
| HKT | Hong Kong Time | +8 | — |
| HOVST | Hovd Summer Time | +8 | DST |
| HOVT | Hovd Time | +7 | — |
| HST | Hawaii Standard Time | -10 | — |
| I | India Time Zone | +9 | — |
| ICT | Indochina Time | +7 | — |
| IDT | Israel Daylight Time | +3 | DST |
| IOT | Indian Chagos Time | +6 | — |
| IRDT | Iran Daylight Time | +4.30 | DST |
| IRKST | Irkutsk Summer Time | +9 | DST |
| IRKT | Irkutsk Time | +8 | — |
| IRST | Iran Standard Time | +3.30 | — |
| IST | India Standard Time | +5.30 | — |
| JST | Japan Standard Time | +9 | — |
| K | Kilo Time Zone | +10 | — |
| KGT | Kyrgyzstan Time | +6 | — |
| KOST | Kosrae Time | +11 | — |
| KRAST | Krasnoyarsk Summer Time | +8 | DST |
| KRAT | Krasnoyarsk Time | +7 | — |
| KST | Korea Standard Time | +9 | — |
| KUYT | Kuybyshev Time | +4 | — |
| L | Lima Time Zone | +11 | — |
| LHDT | Lord Howe Daylight Time | +11 | DST |
| LHST | Lord Howe Standard Time | +10.30 | — |
| LINT | Line Islands Time | +14 | — |
| M | Mike Time Zone | +12 | — |
| MAGST | Magadan Summer Time | +12 | DST |
| MAGT | Magadan Time | +11 | — |
| MART | Marquesas Time | -9.30 | — |
| MAWT | Mawson Time | +5 | — |
| MDT | Mountain Daylight Time | -6 | DST |
| MHT | Marshall Islands Time | +12 | — |
| MMT | Myanmar Time | +6.30 | — |
| MSD | Moscow Daylight Time | +4 | DST |
| MSK | Moscow Standard Time | +3 | — |
| MST | Mountain Standard Time | -7 | — |
| MT | Mountain Time | -7.00 / -6.00 | — |
| MUT | Mauritius Time | +4 | — |
| MVT | Maldives Time | +5 | — |
| MYT | Malaysia Time | +8 | — |
| N | November Time Zone | -1 | — |
| NCT | New Caledonia Time | +11 | — |
| NDT | Newfoundland Daylight Time | -2.30 | DST |
| NFDT | Norfolk Daylight Time | +12 | DST |
| NFT | Norfolk Time | +11 | — |
| NOVST | Novosibirsk Summer Time | +7 | DST |
| NOVT | Novosibirsk Time | +7 | — |
| NPT | Nepal Time | +5.45 | — |
| NRT | Nauru Time | +12 | — |
| NST | Newfoundland Standard Time | -3.30 | — |
| NUT | Niue Time | -11 | — |
| NZDT | New Zealand Daylight Time | +13 | DST |
| NZST | New Zealand Standard Time | +12 | — |
| O | Oscar Time Zone | -2 | — |
| OMSST | Omsk Summer Time | +7 | DST |
| OMST | Omsk Standard Time | +6 | — |
| ORAT | Oral Time | +5 | — |
| P | Papa Time Zone | -3 | — |
| PDT | Pacific Daylight Time | -7 | DST |
| PET | Peru Time | -5 | — |
| PETST | Kamchatka Summer Time | +12 | DST |
| PETT | Kamchatka Time | +12 | — |
| PGT | Papua New Guinea Time | +10 | — |
| PHOT | Phoenix Island Time | +13 | — |
| PHT | Philippine Time | +8 | — |
| PKT | Pakistan Standard Time | +5 | — |
| PMDT | Pierre & Miquelon Daylight Time | -2 | DST |
| PMST | Pierre & Miquelon Standard Time | -3 | — |
| PONT | Pohnpei Standard Time | +11 | — |
| PST | Pacific Standard Time | -8 | — |
| PT | Pacific Time | -8.00 / -7.00 | — |
| PWT | Palau Time | +9 | — |
| PYST | Paraguay Summer Time | -3 | DST |
| PYT | Paraguay Time | -3 | — |
| Q | Quebec Time Zone | -4 | — |
| QYZT | Qyzylorda Time | +6 | — |
| R | Romeo Time Zone | -5 | — |
| RET | Reunion Time | +4 | — |
| ROTT | Rothera Time | -3 | — |
| S | Sierra Time Zone | -6 | — |
| SAKT | Sakhalin Time | +11 | — |
| SAMT | Samara Time | +4 | — |
| SAST | South Africa Standard Time | +2 | — |
| SBT | Solomon Islands Time | +11 | — |
| SCT | Seychelles Time | +4 | — |
| SGT | Singapore Time | +8 | — |
| SRET | Srednekolymsk Time | +11 | — |
| SRT | Suriname Time | -3 | — |
| SST | Samoa Standard Time | -11 | — |
| SYOT | Syowa Time | +3 | — |
| T | Tango Time Zone | -7 | — |
| TAHT | Tahiti Time | -10 | — |
| TFT | French Southern and Antarctic Time | +5 | — |
| TJT | Tajikistan Time | +5 | — |
| TKT | Tokelau Time | +13 | — |
| TLT | East Timor Time | +9 | — |
| TMT | Turkmenistan Time | +5 | — |
| TOST | Tonga Summer Time | +14 | DST |
| TOT | Tonga Time | +13 | — |
| TRT | Turkey Time | +3 | — |
| TVT | Tuvalu Time | +12 | — |
| U | Uniform Time Zone | -8 | — |
| ULAST | Ulaanbaatar Summer Time | +9 | DST |
| ULAT | Ulaanbaatar Time | +8 | — |
| UTC | Coordinated Universal Time | UTC | — |
| UYST | Uruguay Summer Time | -2 | DST |
| UYT | Uruguay Time | -3 | — |
| UZT | Uzbekistan Time | +5 | — |
| V | Victor Time Zone | -9 | — |
| VET | Venezuelan Standard Time | -4 | — |
| VLAST | Vladivostok Summer Time | +11 | DST |
| VLAT | Vladivostok Time | +10 | — |
| VOST | Vostok Time | +6 | — |
| VUT | Vanuatu Time | +11 | — |
| W | Whiskey Time Zone | -10 | — |
| WAKT | Wake Time | +12 | — |
| WARST | Western Argentine Summer Time | -3 | DST |
| WAST | West Africa Summer Time | +2 | DST |
| WAT | West Africa Time | +1 | — |
| WEST | Western European Summer Time | +1 | DST |
| WET | Western European Time | +0 | — |
| WFT | Wallis and Futuna Time | +12 | — |
| WGST | Western Greenland Summer Time | -2 | DST |
| WGT | West Greenland Time | -3 | — |
| WIB | Western Indonesian Time | +7 | — |
| WIT | Eastern Indonesian Time | +9 | — |
| WITA | Central Indonesian Time | +8 | — |
| WST | West Samoa Time | +13 | — |
| WT | Western Sahara Standard Time | +0 | — |
| X | X-ray Time Zone | -11 | — |
| Y | Yankee Time Zone | -12 | — |
| YAKST | Yakutsk Summer Time | +10 | DST |
| YAKT | Yakutsk Time | +9 | — |
| YAPT | Yap Time | +10 | — |
| YEKST | Yekaterinburg Summer Time | +6 | DST |
| YEKT | Yekaterinburg Time | +5 | — |
| Z | Zulu Time Zone | +0 | — |