Time zone Abbreviation Table
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| Abbreviations | Time Zone Name | Location | Offset |
|---|---|---|---|
| A | Alpha Time Zone | Military | GMT/UTC +1 |
| ACDT | Australian Central Daylight Time CDT – Central Daylight Time CDST – Central Daylight Savings Time |
Australia | GMT/UTC +10:30 |
| ACST | Australian Central Standard Time CST – Central Standard Time |
Australia | GMT/UTC +9:30 |
| ACT | Acre Time | South America | GMT/UTC -5 |
| ACT | Australian Central Time | Australia | GMT/UTC +9:30 / +10:30 |
| ACWST | Australian Central Western Standard Time | Australia | GMT/UTC +8:45 |
| ADT | Atlantic Daylight Time ADST – Atlantic Daylight Saving Time AST – Atlantic Summer Time HAA – Heure Avancée de l'Atlantique (French) |
North America Atlantic | GMT/UTC -3 |
| ADT | Arabia Daylight Time AST – Arabia Summer Time |
Asia | GMT/UTC +4 |
| AEDT | Australian Eastern Daylight Time EDT – Eastern Daylight Time EDST – Eastern Daylight Saving Time |
Australia | GMT/UTC +11 |
| AEST | Australian Eastern Standard Time EST – Eastern Standard Time AET – Australian Eastern Time |
Australia | GMT/UTC +10 |
| AET | Australian Eastern Time | Australia | GMT/UTC +10:00 / +11:00 |
| AFT | Afghanistan Time | Asia | GMT/UTC +4:30 |
| AKDT | Alaska Daylight Time ADST – Alaska Daylight Saving Time |
North America | GMT/UTC -8 |
| AKST | Alaska Standard Time AT – Alaska Time |
North America | GMT/UTC -9 |
| ALMT | Alma-Ata Time | Asia | GMT/UTC +6 |
| AMST | Amazon Summer Time | South America | GMT/UTC -3 |
| AMST | Armenia Summer Time AMDT – Armenia Daylight Time |
Asia | GMT/UTC +5 |
| AMT | Amazon Time | South America | GMT/UTC -4 |
| AMT | Armenia Time | Asia | GMT/UTC +4 |
| ANAST | Anadyr Summer Time | Asia | GMT/UTC +12 |
| ANAT | Anadyr Time | Asia | GMT/UTC +12 |
| AoE | Anywhere on Earth | Pacific | GMT/UTC -12 |
| AQTT | Aqtobe Time | Asia | GMT/UTC +5 |
| ART | Argentina Time | Antarctica South America | GMT/UTC -3 |
| AST | Arabia Standard Time AST – Arabic Standard Time AST – Al Manamah Standard Time |
Asia | GMT/UTC +3 |
| AST | Atlantic Standard Time AT – Atlantic Time AST – Tiempo Estándar del Atlántico (Spanish) HNA – Heure Normale de l'Atlantique (French) |
North America Atlantic Caribbean | GMT/UTC -4 |
| AT | Atlantic Time | North America Atlantic | GMT/UTC -4:00 / -3:00 |
| AWDT | Australian Western Daylight Time WDT – Western Daylight Time WST – Western Summer Time |
Australia | GMT/UTC +9 |
| AWST | Australian Western Standard Time WST – Western Standard Time WAT – Western Australia Time |
Australia | GMT/UTC +8 |
| AZOST | Azores Summer Time AZODT – Azores Daylight Time |
Atlantic | GMT/UTC +0 |
| AZOT | Azores Time AZOST – Azores Standard Time |
Atlantic | GMT/UTC -1 |
| AZST | Azerbaijan Summer Time | Asia | GMT/UTC +5 |
| AZT | Azerbaijan Time | Asia | GMT/UTC +4 |
| B | Bravo Time Zone | Military | GMT/UTC +2 |
| BNT | Brunei Darussalam Time BDT – Brunei Time |
Asia | GMT/UTC +8 |
| BOT | Bolivia Time | South America | GMT/UTC -4 |
| BRST | Brasília Summer Time BST – Brazil Summer Time BST – Brazilian Summer Time |
South America | GMT/UTC -2 |
| BRT | Brasília Time BT – Brazil Time BT – Brazilian Time |
South America | GMT/UTC -3 |
| BST | Bangladesh Standard Time | Asia | GMT/UTC +6 |
| BST | Bougainville Standard Time | Pacific | GMT/UTC +11 |
| BST | British Summer Time BDT – British Daylight Time BDST – British Daylight Saving Time |
Europe | GMT/UTC +1 |
| BTT | Bhutan Time | Asia | GMT/UTC +6 |
| C | Charlie Time Zone | Military | GMT/UTC +3 |
| CAST | Casey Time | Antarctica | GMT/UTC +8 |
| CAT | Central Africa Time | Africa | GMT/UTC +2 |
| CCT | Cocos Islands Time | Indian Ocean | GMT/UTC +6:30 |
| CDT | Central Daylight Time CDST – Central Daylight Saving Time NACDT – North American Central Daylight Time HAC – Heure Avancée du Centre (French) |
North America | GMT/UTC -5 |
| CDT | Cuba Daylight Time | Caribbean | GMT/UTC -4 |
| CEST | Central European Summer Time CEDT – Central European Daylight Time ECST – European Central Summer Time MESZ – Mitteleuropäische Sommerzeit (German) |
Europe Antarctica | GMT/UTC +2 |
| CET | Central European Time ECT – European Central Time CET – Central Europe Time MEZ – Mitteleuropäische Zeit (German) |
Europe Africa | GMT/UTC +1 |
| CHADT | Chatham Island Daylight Time CDT – Chatham Daylight Time |
Pacific | GMT/UTC +13:45 |
| CHAST | Chatham Island Standard Time | Pacific | GMT/UTC +12:45 |
| CHOST | Choibalsan Summer Time CHODT – Choibalsan Daylight Time CHODST – Choibalsan Daylight Saving Time |
Asia | GMT/UTC +9 |
| CHOT | Choibalsan Time | Asia | GMT/UTC +8 |
| ChST | Chamorro Standard Time GST – Guam Standard Time |
Pacific | GMT/UTC +10 |
| CHUT | Chuuk Time | Pacific | GMT/UTC +10 |
| CIDST | Cayman Islands Daylight Saving Time | Caribbean | GMT/UTC -4 |
| CIST | Cayman Islands Standard Time CIT – Cayman Islands Time |
Caribbean | GMT/UTC -5 |
| CKT | Cook Island Time | Pacific | GMT/UTC -10 |
| CLST | Chile Summer Time CLDT – Chile Daylight Time |
South America Antarctica | GMT/UTC -3 |
| CLT | Chile Standard Time CT – Chile Time CLST – Chile Standard Time |
South America Antarctica | GMT/UTC -4 |
| COT | Colombia Time | South America | GMT/UTC -5 |
| CST | China Standard Time | Asia | GMT/UTC +8 |
| CST | Cuba Standard Time | Caribbean | GMT/UTC -5 |
| CST | Central Standard Time CT – Central Time NACST – North American Central Standard Time CST – Tiempo Central Estándar (Spanish) HNC – Heure Normale du Centre (French) |
North America Central America | GMT/UTC -6 |
| CT | Central Time | North America | GMT/UTC -6:00 / -5:00 |
| CVT | Cape Verde Time | Africa | GMT/UTC -1 |
| CXT | Christmas Island Time | Australia | GMT/UTC +7 |
| D | Delta Time Zone | Military | GMT/UTC +4 |
| DAVT | Davis Time | Antarctica | GMT/UTC +7 |
| DDUT | Dumont-d'Urville Time | Antarctica | GMT/UTC +10 |
| E | Echo Time Zone | Military | GMT/UTC +5 |
| EASST | Easter Island Summer Time EADT – Easter Island Daylight Time |
Pacific | GMT/UTC -5 |
| EAST | Easter Island Standard Time | Pacific | GMT/UTC -6 |
| EAT | Eastern Africa Time EAT – East Africa Time |
Africa Indian Ocean | GMT/UTC +3 |
| ECT | Ecuador Time | South America | GMT/UTC -5 |
| EDT | Eastern Daylight Time EDST – Eastern Daylight Savings Time NAEDT – North American Eastern Daylight Time HAE – Heure Avancée de l'Est (French) EDT – Tiempo de verano del Este (Spanish) |
North America Caribbean | GMT/UTC -4 |
| EEST | Eastern European Summer Time EEDT – Eastern European Daylight Time OESZ – Osteuropäische Sommerzeit (German) |
Europe Asia | GMT/UTC +3 |
| EET | Eastern European Time OEZ – Osteuropäische Zeit (German) |
Europe Asia Africa | GMT/UTC +2 |
| EGST | Eastern Greenland Summer Time EGST – East Greenland Summer Time |
North America | GMT/UTC +0 |
| EGT | East Greenland Time EGT – Eastern Greenland Time |
North America | GMT/UTC -1 |
| EST | Eastern Standard Time ET – Eastern Time NAEST – North American Eastern Standard Time ET – Tiempo del Este (Spanish) HNE – Heure Normale de l'Est (French) |
North America Caribbean Central America | GMT/UTC -5 |
| ET | Eastern Time | North America Caribbean | GMT/UTC -5:00 / -4:00 |
| F | Foxtrot Time Zone | Military | GMT/UTC +6 |
| FET | Further-Eastern European Time | Europe | GMT/UTC +3 |
| FJST | Fiji Summer Time FJDT – Fiji Daylight Time |
Pacific | GMT/UTC +13 |
| FJT | Fiji Time | Pacific | GMT/UTC +12 |
| FKST | Falkland Islands Summer Time FKDT – Falkland Island Daylight Time |
South America | GMT/UTC -3 |
| FKT | Falkland Island Time FKST – Falkland Island Standard Time |
South America | GMT/UTC -4 |
| FNT | Fernando de Noronha Time | South America | GMT/UTC -2 |
| G | Golf Time Zone | Military | GMT/UTC +7 |
| GALT | Galapagos Time | Pacific | GMT/UTC -6 |
| GAMT | Gambier Time GAMT – Gambier Islands Time |
Pacific | GMT/UTC -9 |
| GET | Georgia Standard Time | Asia Europe | GMT/UTC +4 |
| GFT | French Guiana Time | South America | GMT/UTC -3 |
| GILT | Gilbert Island Time | Pacific | GMT/UTC +12 |
| GMT | Greenwich Mean Time UTC – Coordinated Universal Time GT – Greenwich Time |
Europe Africa North America Antarctica | GMT/UTC +0 |
| GST | Gulf Standard Time | Asia | GMT/UTC +4 |
| GST | South Georgia Time | South America | GMT/UTC -2 |
| GYT | Guyana Time | South America | GMT/UTC -4 |
| H | Hotel Time Zone | Military | GMT/UTC +8 |
| HDT | Hawaii-Aleutian Daylight Time HADT – Hawaii Daylight Time |
North America | GMT/UTC -9 |
| HKT | Hong Kong Time | Asia | GMT/UTC +8 |
| HOVST | Hovd Summer Time HOVDT – Hovd Daylight Time HOVDST – Hovd Daylight Saving Time |
Asia | GMT/UTC +8 |
| HOVT | Hovd Time | Asia | GMT/UTC +7 |
| HST | Hawaii Standard Time HAST – Hawaii-Aleutian Standard Time |
North America Pacific | GMT/UTC -10 |
| I | India Time Zone | Military | GMT/UTC +9 |
| ICT | Indochina Time | Asia | GMT/UTC +7 |
| IDT | Israel Daylight Time | Asia | GMT/UTC +3 |
| IOT | Indian Chagos Time | Indian Ocean | GMT/UTC +6 |
| IRDT | Iran Daylight Time IRST – Iran Summer Time IDT – Iran Daylight Time |
Asia | GMT/UTC +4:30 |
| IRKST | Irkutsk Summer Time | Asia | GMT/UTC +9 |
| IRKT | Irkutsk Time | Asia | GMT/UTC +8 |
| IRST | Iran Standard Time IT – Iran Time |
Asia | GMT/UTC +3:30 |
| IST | India Standard Time IT – India Time IST – Indian Standard Time |
Asia | GMT/UTC +5:30 |
| IST | Irish Standard Time IST – Irish Summer Time |
Europe | GMT/UTC +1 |
| IST | Israel Standard Time | Asia | GMT/UTC +2 |
| JST | Japan Standard Time | Asia | GMT/UTC +9 |
| K | Kilo Time Zone | Military | GMT/UTC +10 |
| KGT | Kyrgyzstan Time | Asia | GMT/UTC +6 |
| KOST | Kosrae Time | Pacific | GMT/UTC +11 |
| KRAST | Krasnoyarsk Summer Time | Asia | GMT/UTC +8 |
| KRAT | Krasnoyarsk Time | Asia | GMT/UTC +7 |
| KST | Korea Standard Time KST – Korean Standard Time KT – Korea Time |
Asia | GMT/UTC +9 |
| KUYT | Kuybyshev Time SAMST – Samara Summer Time |
Europe | GMT/UTC +4 |
| L | Lima Time Zone | Military | GMT/UTC +11 |
| LHDT | Lord Howe Daylight Time | Australia | GMT/UTC +11 |
| LHST | Lord Howe Standard Time | Australia | GMT/UTC +10:30 |
| LINT | Line Islands Time | Pacific | GMT/UTC +14 |
| M | Mike Time Zone | Military | GMT/UTC +12 |
| MAGST | Magadan Summer Time MAGST – Magadan Island Summer Time |
Asia | GMT/UTC +12 |
| MAGT | Magadan Time MAGT – Magadan Island Time |
Asia | GMT/UTC +11 |
| MART | Marquesas Time | Pacific | GMT/UTC -9:30 |
| MAWT | Mawson Time | Antarctica | GMT/UTC +5 |
| MDT | Mountain Daylight Time MDST – Mountain Daylight Saving Time NAMDT – North American Mountain Daylight Time HAR – Heure Avancée des Rocheuses (French) |
North America | GMT/UTC -6 |
| MHT | Marshall Islands Time | Pacific | GMT/UTC +12 |
| MMT | Myanmar Time | Asia | GMT/UTC +6:30 |
| MSD | Moscow Daylight Time Moscow Summer Time |
Europe | GMT/UTC +4 |
| MSK | Moscow Standard Time MCK – Moscow Time |
Europe Asia | GMT/UTC +3 |
| MST | Mountain Standard Time MT – Mountain Time NAMST – North American Mountain Standard Time HNR – Heure Normale des Rocheuses (French) |
North America | GMT/UTC -7 |
| MT | Mountain Time | North America | GMT/UTC -7:00 / -6:00 |
| MUT | Mauritius Time | Africa | GMT/UTC +4 |
| MVT | Maldives Time | Asia | GMT/UTC +5 |
| MYT | Malaysia Time MST – Malaysian Standard Time |
Asia | GMT/UTC +8 |
| N | November Time Zone | Military | GMT/UTC -1 |
| NCT | New Caledonia Time | Pacific | GMT/UTC +11 |
| NDT | Newfoundland Daylight Time HAT – Heure Avancée de Terre-Neuve (French) |
North America | GMT/UTC -2:30 |
| NFDT | Norfolk Daylight Time NFDT – Norfolk Island Daylight Time |
Australia | GMT/UTC +12 |
| NFT | Norfolk Time NFT – Norfolk Island Time |
Australia | GMT/UTC +11 |
| NOVST | Novosibirsk Summer Time OMSST – Omsk Summer Time |
Asia | GMT/UTC +7 |
| NOVT | Novosibirsk Time OMST – Omsk Standard Time |
Asia | GMT/UTC +7 |
| NPT | Nepal Time | Asia | GMT/UTC +5:45 |
| NRT | Nauru Time | Pacific | GMT/UTC +12 |
| NST | Newfoundland Standard Time HNT – Heure Normale de Terre-Neuve (French) |
North America | GMT/UTC -3:30 |
| NUT | Niue Time | Pacific | GMT/UTC -11 |
| NZDT | New Zealand Daylight Time | Pacific Antarctica | GMT/UTC +13 |
| NZST | New Zealand Standard Time | Pacific Antarctica | GMT/UTC +12 |
| O | Oscar Time Zone | Military | GMT/UTC -2 |
| OMSST | Omsk Summer Time NOVST – Novosibirsk Summer Time |
Asia | GMT/UTC +7 |
| OMST | Omsk Standard Time OMST – Omsk Time NOVT – Novosibirsk Time |
Asia | GMT/UTC +6 |
| ORAT | Oral Time | Asia | GMT/UTC +5 |
| P | Papa Time Zone | Military | GMT/UTC -3 |
| PDT | Pacific Daylight Time PDST – Pacific Daylight Saving Time NAPDT – North American Pacific Daylight Time HAP – Heure Avancée du Pacifique (French) |
North America | GMT/UTC -7 |
| PET | Peru Time | South America | GMT/UTC -5 |
| PETST | Kamchatka Summer Time | Asia | GMT/UTC +12 |
| PETT | Kamchatka Time PETT – Petropavlovsk-Kamchatski Time |
Asia | GMT/UTC +12 |
| PGT | Papua New Guinea Time | Pacific | GMT/UTC +10 |
| PHOT | Phoenix Island Time | Pacific | GMT/UTC +13 |
| PHT | Philippine Time PST – Philippine Standard Time |
Asia | GMT/UTC +8 |
| PKT | Pakistan Standard Time PKT – Pakistan Time |
Asia | GMT/UTC +5 |
| PMDT | Pierre & Miquelon Daylight Time | North America | GMT/UTC -2 |
| PMST | Pierre & Miquelon Standard Time | North America | GMT/UTC -3 |
| PONT | Pohnpei Standard Time | Pacific | GMT/UTC +11 |
| PST | Philippine Standard Time | Philippine | GMT/UTC +8 |
| PST | Pitcairn Standard Time | Pacific | GMT/UTC -8 |
| PST | Pacific Standard Time PT – Pacific Time NAPST – North American Pacific Standard Time PT – Tiempo del Pacífico (Spanish) HNP – Heure Normale du Pacifique (French) |
North America | GMT/UTC -8 |
| PT | Pacific Time | North America | GMT/UTC -8:00 / -7:00 |
| PWT | Palau Time | Pacific | GMT/UTC +9 |
| PYST | Paraguay Summer Time | South America | GMT/UTC -3 |
| PYT | Paraguay Time | South America | GMT/UTC -4 |
| PYT | Pyongyang Time PYST – Pyongyang Standard Time |
Asia | GMT/UTC +8:30 |
| Q | Quebec Time Zone | Military | GMT/UTC -4 |
| QYZT | Qyzylorda Time | Asia | GMT/UTC +6 |
| R | Romeo Time Zone | Military | GMT/UTC -5 |
| RET | Reunion Time | Africa | GMT/UTC +4 |
| ROTT | Rothera Time | Antarctica | GMT/UTC -3 |
| S | Sierra Time Zone | Military | GMT/UTC -6 |
| SAKT | Sakhalin Time | Asia | GMT/UTC +11 |
| SAMT | Samara Time SAMT – Samara Standard Time |
Europe | GMT/UTC +4 |
| SAST | South Africa Standard Time SAST – South African Standard Time |
Africa | GMT/UTC +2 |
| SBT | Solomon Islands Time SBT – Solomon Island Time |
Pacific | GMT/UTC +11 |
| SCT | Seychelles Time | Africa | GMT/UTC +4 |
| SGT | Singapore Time SST – Singapore Standard Time |
Asia | GMT/UTC +8 |
| SRET | Srednekolymsk Time | Asia | GMT/UTC +11 |
| SRT | Suriname Time | South America | GMT/UTC -3 |
| SST | Samoa Standard Time | Pacific | GMT/UTC -11 |
| SYOT | Syowa Time | Antarctica | GMT/UTC +3 |
| T | Tango Time Zone | Military | GMT/UTC -7 |
| TAHT | Tahiti Time | Pacific | GMT/UTC -10 |
| TFT | French Southern and Antarctic Time KIT – Kerguelen (Islands) Time |
Indian Ocean | GMT/UTC +5 |
| TJT | Tajikistan Time | Asia | GMT/UTC +5 |
| TKT | Tokelau Time | Pacific | GMT/UTC +13 |
| TLT | East Timor Time | Asia | GMT/UTC +9 |
| TMT | Turkmenistan Time | Asia | GMT/UTC +5 |
| TOST | Tonga Summer Time | Pacific | GMT/UTC +14 |
| TOT | Tonga Time | Pacific | GMT/UTC +13 |
| TRT | Turkey Time | Asia Europe | GMT/UTC +3 |
| TVT | Tuvalu Time | Pacific | GMT/UTC +12 |
| U | Uniform Time Zone | Military | GMT/UTC -8 |
| ULAST | Ulaanbaatar Summer Time ULAST – Ulan Bator Summer Time |
Asia | GMT/UTC +9 |
| ULAT | Ulaanbaatar Time ULAT – Ulan Bator Time |
Asia | GMT/UTC +8 |
| UTC | Coordinated Universal Time | Worldwide | GMT/UTC |
| UYST | Uruguay Summer Time | South America | GMT/UTC -2 |
| UYT | Uruguay Time | South America | GMT/UTC -3 |
| UZT | Uzbekistan Time | Asia | GMT/UTC +5 |
| V | Victor Time Zone | Military | GMT/UTC -9 |
| VET | Venezuelan Standard Time HLV – Hora Legal de Venezuela (Spanish) |
South America | GMT/UTC -4 |
| VLAST | Vladivostok Summer Time | Asia | GMT/UTC +11 |
| VLAT | Vladivostok Time | Asia | GMT/UTC +10 |
| VOST | Vostok Time | Antarctica | GMT/UTC +6 |
| VUT | Vanuatu Time EFATE – Efate Time |
Pacific | GMT/UTC +11 |
| W | Whiskey Time Zone | Military | GMT/UTC -10 |
| WAKT | Wake Time | Pacific | GMT/UTC +12 |
| WARST | Western Argentine Summer Time | South America | GMT/UTC -3 |
| WAST | West Africa Summer Time | Africa | GMT/UTC +2 |
| WAT | West Africa Time | Africa | GMT/UTC +1 |
| WEST | Western European Summer Time WEDT – Western European Daylight Time WESZ – Westeuropäische Sommerzeit (German) |
Europe Africa | GMT/UTC +1 |
| WET | Western European Time GMT – Greenwich Mean Time WEZ – Westeuropäische Zeit (German) |
Europe Africa | GMT/UTC +0 |
| WFT | Wallis and Futuna Time | Pacific | GMT/UTC +12 |
| WGST | Western Greenland Summer Time WGST – West Greenland Summer Time |
North America | GMT/UTC -2 |
| WGT | West Greenland Time WGT – Western Greenland Time |
North America | GMT/UTC -3 |
| WIB | Western Indonesian Time WIB – Waktu Indonesia Barat |
Asia | GMT/UTC +7 |
| WIT | Eastern Indonesian Time WIT – Waktu Indonesia Timur |
Asia | GMT/UTC +9 |
| WITA | Central Indonesian Time WITA – Waktu Indonesia Tengah |
Asia | GMT/UTC +8 |
| WST | West Samoa Time ST – Samoa Time |
Pacific | GMT/UTC +13 |
| WST | Western Sahara Summer Time | Africa | GMT/UTC +1 |
| WT | Western Sahara Standard Time WT – Western Sahara Time |
Africa | GMT/UTC +0 |
| X | X-ray Time Zone | Military | GMT/UTC -11 |
| Y | Yankee Time Zone | Military | GMT/UTC -12 |
| YAKST | Yakutsk Summer Time | Asia | GMT/UTC +10 |
| YAKT | Yakutsk Time | Asia | GMT/UTC +9 |
| YAPT | Yap Time | Pacific | GMT/UTC +10 |
| YEKST | Yekaterinburg Summer Time | Asia | GMT/UTC +6 |
| YEKT | Yekaterinburg Time | Asia | GMT/UTC +5 |
| Z | Zulu Time Zone | Military | GMT/UTC +0 |
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