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Time Zone Abbreviations

8 min read

Source: https://www.timeanddate.com/time/zones/

AbbreviationTime Zone NameLocationOffset
AAlfa Time ZoneMilitaryUTC +1
ACDTAustralian Central Daylight Time
CDT – Central Daylight Time
CDST – Central Daylight Savings Time		AustraliaUTC +10:30
ACSTAustralian Central Standard Time
CST – Central Standard Time		AustraliaUTC +9:30
ACTAcre TimeSouth AmericaUTC -5
ACTAustralian Central TimeAustraliaUTC +9:30 / +10:30
ACWSTAustralian Central Western Standard TimeAustraliaUTC +8:45
ADTArabia Daylight Time
AST – Arabia Summer Time		AsiaUTC +4
ADTAtlantic Daylight Time
ADST – Atlantic Daylight Saving Time
AST – Atlantic Summer Time
HAA – Heure Avancée de l’Atlantique (French)		North America
Atlantic		UTC -3
AEDTAustralian Eastern Daylight Time
EDT – Eastern Daylight Time
EDST – Eastern Daylight Saving Time		AustraliaUTC +11
AESTAustralian Eastern Standard Time
EST – Eastern Standard Time
AET – Australian Eastern Time		AustraliaUTC +10
AETAustralian Eastern TimeAustraliaUTC +10:00 / +11:00
AFTAfghanistan TimeAsiaUTC +4:30
AKDTAlaska Daylight Time
ADST – Alaska Daylight Saving Time		North AmericaUTC -8
AKSTAlaska Standard Time
AT – Alaska Time		North AmericaUTC -9
ALMTAlma-Ata TimeAsiaUTC +6
AMSTAmazon Summer TimeSouth AmericaUTC -3
AMSTArmenia Summer Time
AMDT – Armenia Daylight Time		AsiaUTC +5
AMTAmazon TimeSouth AmericaUTC -4
AMTArmenia TimeAsiaUTC +4
ANASTAnadyr Summer TimeAsiaUTC +12
ANATAnadyr TimeAsiaUTC +12
AQTTAqtobe TimeAsiaUTC +5
ARTArgentina TimeAntarctica
South America		UTC -3
ASTArabia Standard Time
AST – Arabic Standard Time
AST – Al Manamah Standard Time		AsiaUTC +3
ASTAtlantic Standard Time
AT – Atlantic Time
AST – Tiempo Estándar del Atlántico (Spanish)
HNA – Heure Normale de l’Atlantique (French)		North America
Atlantic
Caribbean		UTC -4
ATAtlantic TimeNorth America
Atlantic		UTC -4:00 / -3:00
AWDTAustralian Western Daylight Time
WDT – Western Daylight Time
WST – Western Summer Time		AustraliaUTC +9
AWSTAustralian Western Standard Time
WST – Western Standard Time
WAT – Western Australia Time		AustraliaUTC +8
AZOSTAzores Summer Time
AZODT – Azores Daylight Time		AtlanticUTC +0
AZOTAzores Time
AZOST – Azores Standard Time		AtlanticUTC -1
AZSTAzerbaijan Summer TimeAsiaUTC +5
AZTAzerbaijan TimeAsiaUTC +4
AoEAnywhere on EarthPacificUTC -12
BBravo Time ZoneMilitaryUTC +2
BNTBrunei Darussalam Time
BDT – Brunei Time		AsiaUTC +8
BOTBolivia TimeSouth AmericaUTC -4
BRSTBrasília Summer Time
BST – Brazil Summer Time
BST – Brazilian Summer Time		South AmericaUTC -2
BRTBrasília Time
BT – Brazil Time
BT – Brazilian Time		South AmericaUTC -3
BSTBangladesh Standard TimeAsiaUTC +6
BSTBougainville Standard TimePacificUTC +11
BSTBritish Summer Time
BDT – British Daylight Time
BDST – British Daylight Saving Time		EuropeUTC +1
BTTBhutan TimeAsiaUTC +6
CCharlie Time ZoneMilitaryUTC +3
CASTCasey TimeAntarcticaUTC +8
CATCentral Africa TimeAfricaUTC +2
CCTCocos Islands TimeIndian OceanUTC +6:30
CDTCentral Daylight Time
CDST – Central Daylight Saving Time
NACDT – North American Central Daylight Time
HAC – Heure Avancée du Centre (French)		North AmericaUTC -5
CDTCuba Daylight TimeCaribbeanUTC -4
CESTCentral European Summer Time
CEDT – Central European Daylight Time
ECST – European Central Summer Time
MESZ – Mitteleuropäische Sommerzeit (German)		Europe
Antarctica		UTC +2
CETCentral European Time
ECT – European Central Time
CET – Central Europe Time
MEZ – Mitteleuropäische Zeit (German)		Europe
Africa		UTC +1
CHADTChatham Island Daylight Time
CDT – Chatham Daylight Time		PacificUTC +13:45
CHASTChatham Island Standard TimePacificUTC +12:45
CHOSTChoibalsan Summer Time
CHODT – Choibalsan Daylight Time
CHODST – Choibalsan Daylight Saving Time		AsiaUTC +9
CHOTChoibalsan TimeAsiaUTC +8
CHUTChuuk TimePacificUTC +10
CIDSTCayman Islands Daylight Saving TimeCaribbeanUTC -4
CISTCayman Islands Standard Time
CIT – Cayman Islands Time		CaribbeanUTC -5
CKTCook Island TimePacificUTC -10
CLSTChile Summer Time
CLDT – Chile Daylight Time		South America
Antarctica		UTC -3
CLTChile Standard Time
CT – Chile Time
CLST – Chile Standard Time		South America
Antarctica		UTC -4
COTColombia TimeSouth AmericaUTC -5
CSTCentral 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		UTC -6
CSTChina Standard TimeAsiaUTC +8
CSTCuba Standard TimeCaribbeanUTC -5
CTCentral TimeNorth AmericaUTC -6:00 / -5:00
CVTCape Verde TimeAfricaUTC -1
CXTChristmas Island TimeAustraliaUTC +7
ChSTChamorro Standard Time
GST – Guam Standard Time		PacificUTC +10
DDelta Time ZoneMilitaryUTC +4
DAVTDavis TimeAntarcticaUTC +7
DDUTDumont-d’Urville TimeAntarcticaUTC +10
EEcho Time ZoneMilitaryUTC +5
EASSTEaster Island Summer Time
EADT – Easter Island Daylight Time		PacificUTC -5
EASTEaster Island Standard TimePacificUTC -6
EATEastern Africa Time
EAT – East Africa Time		Africa
Indian Ocean		UTC +3
ECTEcuador TimeSouth AmericaUTC -5
EDTEastern 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		UTC -4
EESTEastern European Summer Time
EEDT – Eastern European Daylight Time
OESZ – Osteuropäische Sommerzeit (German)		Europe
Asia
Africa		UTC +3
EETEastern European Time
OEZ – Osteuropäische Zeit (German)		Europe
Asia
Africa		UTC +2
EGSTEastern Greenland Summer Time
EGST – East Greenland Summer Time		North AmericaUTC +0
EGTEast Greenland Time
EGT – Eastern Greenland Time		North AmericaUTC -1
ESTEastern 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		UTC -5
ETEastern TimeNorth America
Caribbean		UTC -5:00 / -4:00
FFoxtrot Time ZoneMilitaryUTC +6
FETFurther-Eastern European TimeEuropeUTC +3
FJSTFiji Summer Time
FJDT – Fiji Daylight Time		PacificUTC +13
FJTFiji TimePacificUTC +12
FKSTFalkland Islands Summer Time
FKDT – Falkland Island Daylight Time		South AmericaUTC -3
FKTFalkland Island Time
FKST – Falkland Island Standard Time		South AmericaUTC -4
FNTFernando de Noronha TimeSouth AmericaUTC -2
GGolf Time ZoneMilitaryUTC +7
GALTGalapagos TimePacificUTC -6
GAMTGambier Time
GAMT – Gambier Islands Time		PacificUTC -9
GETGeorgia Standard TimeAsia
Europe		UTC +4
GFTFrench Guiana TimeSouth AmericaUTC -3
GILTGilbert Island TimePacificUTC +12
GMTGreenwich Mean Time
UTC – Coordinated Universal Time
GT – Greenwich Time		Europe
Africa
North America
Antarctica		UTC +0
GSTGulf Standard TimeAsiaUTC +4
GSTSouth Georgia TimeSouth AmericaUTC -2
GYTGuyana TimeSouth AmericaUTC -4
HHotel Time ZoneMilitaryUTC +8
HDTHawaii-Aleutian Daylight Time
HADT – Hawaii Daylight Time		North AmericaUTC -9
HKTHong Kong TimeAsiaUTC +8
HOVSTHovd Summer Time
HOVDT – Hovd Daylight Time
HOVDST – Hovd Daylight Saving Time		AsiaUTC +8
HOVTHovd TimeAsiaUTC +7
HSTHawaii Standard Time
HAST – Hawaii-Aleutian Standard Time		North America
Pacific		UTC -10
IIndia Time ZoneMilitaryUTC +9
ICTIndochina TimeAsiaUTC +7
IDTIsrael Daylight TimeAsiaUTC +3
IOTIndian Chagos TimeIndian OceanUTC +6
IRDTIran Daylight Time
IRST – Iran Summer Time
IDT – Iran Daylight Time		AsiaUTC +4:30
IRKSTIrkutsk Summer TimeAsiaUTC +9
IRKTIrkutsk TimeAsiaUTC +8
IRSTIran Standard Time
IT – Iran Time		AsiaUTC +3:30
ISTIndia Standard Time
IT – India Time
IST – Indian Standard Time		AsiaUTC +5:30
ISTIrish Standard Time
IST – Irish Summer Time		EuropeUTC +1
ISTIsrael Standard TimeAsiaUTC +2
JSTJapan Standard TimeAsiaUTC +9
KKilo Time ZoneMilitaryUTC +10
KGTKyrgyzstan TimeAsiaUTC +6
KOSTKosrae TimePacificUTC +11
KRASTKrasnoyarsk Summer TimeAsiaUTC +8
KRATKrasnoyarsk TimeAsiaUTC +7
KSTKorea Standard Time
KST – Korean Standard Time
KT – Korea Time		AsiaUTC +9
KUYTKuybyshev Time
SAMST – Samara Summer Time		EuropeUTC +4
LLima Time ZoneMilitaryUTC +11
LHDTLord Howe Daylight TimeAustraliaUTC +11
LHSTLord Howe Standard TimeAustraliaUTC +10:30
LINTLine Islands TimePacificUTC +14
MMike Time ZoneMilitaryUTC +12
MAGSTMagadan Summer Time
MAGST – Magadan Island Summer Time		AsiaUTC +12
MAGTMagadan Time
MAGT – Magadan Island Time		AsiaUTC +11
MARTMarquesas TimePacificUTC -9:30
MAWTMawson TimeAntarcticaUTC +5
MDTMountain Daylight Time
MDST – Mountain Daylight Saving Time
NAMDT – North American Mountain Daylight Time
HAR – Heure Avancée des Rocheuses (French)		North AmericaUTC -6
MHTMarshall Islands TimePacificUTC +12
MMTMyanmar TimeAsiaUTC +6:30
MSDMoscow Daylight Time
Moscow Summer Time		EuropeUTC +4
MSKMoscow Standard Time
MCK – Moscow Time		Europe
Asia		UTC +3
MSTMountain Standard Time
MT – Mountain Time
NAMST – North American Mountain Standard Time
HNR – Heure Normale des Rocheuses (French)		North AmericaUTC -7
MTMountain TimeNorth AmericaUTC -7:00 / -6:00
MUTMauritius TimeAfricaUTC +4
MVTMaldives TimeAsiaUTC +5
MYTMalaysia Time
MST – Malaysian Standard Time		AsiaUTC +8
NNovember Time ZoneMilitaryUTC -1
NCTNew Caledonia TimePacificUTC +11
NDTNewfoundland Daylight Time
HAT – Heure Avancée de Terre-Neuve (French)		North AmericaUTC -2:30
NFDTNorfolk Daylight Time
NFDT – Norfolk Island Daylight Time		AustraliaUTC +12
NFTNorfolk Time
NFT – Norfolk Island Time		AustraliaUTC +11
NOVSTNovosibirsk Summer Time
OMSST – Omsk Summer Time		AsiaUTC +7
NOVTNovosibirsk Time
OMST – Omsk Standard Time		AsiaUTC +7
NPTNepal TimeAsiaUTC +5:45
NRTNauru TimePacificUTC +12
NSTNewfoundland Standard Time
HNT – Heure Normale de Terre-Neuve (French)		North AmericaUTC -3:30
NUTNiue TimePacificUTC -11
NZDTNew Zealand Daylight TimePacific
Antarctica		UTC +13
NZSTNew Zealand Standard TimePacific
Antarctica		UTC +12
OOscar Time ZoneMilitaryUTC -2
OMSSTOmsk Summer Time
NOVST – Novosibirsk Summer Time		AsiaUTC +7
OMSTOmsk Standard Time
OMST – Omsk Time
NOVT – Novosibirsk Time		AsiaUTC +6
ORATOral TimeAsiaUTC +5
PPapa Time ZoneMilitaryUTC -3
PDTPacific Daylight Time
PDST – Pacific Daylight Saving Time
NAPDT – North American Pacific Daylight Time
HAP – Heure Avancée du Pacifique (French)		North AmericaUTC -7
PETPeru TimeSouth AmericaUTC -5
PETSTKamchatka Summer TimeAsiaUTC +12
PETTKamchatka Time
PETT – Petropavlovsk-Kamchatski Time		AsiaUTC +12
PGTPapua New Guinea TimePacificUTC +10
PHOTPhoenix Island TimePacificUTC +13
PHTPhilippine Time
PST – Philippine Standard Time		AsiaUTC +8
PKTPakistan Standard Time
PKT – Pakistan Time		AsiaUTC +5
PMDTPierre & Miquelon Daylight TimeNorth AmericaUTC -2
PMSTPierre & Miquelon Standard TimeNorth AmericaUTC -3
PONTPohnpei Standard TimePacificUTC +11
PSTPacific Standard Time
PT – Pacific Time
NAPST – North American Pacific Standard Time
PT – Tiempo del Pacífico (Spanish)
HNP – Heure Normale du Pacifique (French)		North AmericaUTC -8
PSTPitcairn Standard TimePacificUTC -8
PTPacific TimeNorth AmericaUTC -8:00 / -7:00
PWTPalau TimePacificUTC +9
PYSTParaguay Summer TimeSouth AmericaUTC -3
PYTParaguay TimeSouth AmericaUTC -4
PYTPyongyang Time
PYST – Pyongyang Standard Time		AsiaUTC +8:30
QQuebec Time ZoneMilitaryUTC -4
QYZTQyzylorda TimeAsiaUTC +6
RRomeo Time ZoneMilitaryUTC -5
RETReunion TimeAfricaUTC +4
ROTTRothera TimeAntarcticaUTC -3
SSierra Time ZoneMilitaryUTC -6
SAKTSakhalin TimeAsiaUTC +11
SAMTSamara Time
SAMT – Samara Standard Time		EuropeUTC +4
SASTSouth Africa Standard Time
SAST – South African Standard Time		AfricaUTC +2
SBTSolomon Islands Time
SBT – Solomon Island Time		PacificUTC +11
SCTSeychelles TimeAfricaUTC +4
SGTSingapore Time
SST – Singapore Standard Time		AsiaUTC +8
SRETSrednekolymsk TimeAsiaUTC +11
SRTSuriname TimeSouth AmericaUTC -3
SSTSamoa Standard TimePacificUTC -11
SYOTSyowa TimeAntarcticaUTC +3
TTango Time ZoneMilitaryUTC -7
TAHTTahiti TimePacificUTC -10
TFTFrench Southern and Antarctic Time
KIT – Kerguelen (Islands) Time		Indian OceanUTC +5
TJTTajikistan TimeAsiaUTC +5
TKTTokelau TimePacificUTC +13
TLTEast Timor TimeAsiaUTC +9
TMTTurkmenistan TimeAsiaUTC +5
TOSTTonga Summer TimePacificUTC +14
TOTTonga TimePacificUTC +13
TRTTurkey TimeAsia
Europe		UTC +3
TVTTuvalu TimePacificUTC +12
UUniform Time ZoneMilitaryUTC -8
ULASTUlaanbaatar Summer Time
ULAST – Ulan Bator Summer Time		AsiaUTC +9
ULATUlaanbaatar Time
ULAT – Ulan Bator Time		AsiaUTC +8
UTCCoordinated Universal TimeWorldwideUTC
UYSTUruguay Summer TimeSouth AmericaUTC -2
UYTUruguay TimeSouth AmericaUTC -3
UZTUzbekistan TimeAsiaUTC +5
VVictor Time ZoneMilitaryUTC -9
VETVenezuelan Standard Time
HLV – Hora Legal de Venezuela (Spanish)		South AmericaUTC -4
VLASTVladivostok Summer TimeAsiaUTC +11
VLATVladivostok TimeAsiaUTC +10
VOSTVostok TimeAntarcticaUTC +6
VUTVanuatu Time
EFATE – Efate Time		PacificUTC +11
WWhiskey Time ZoneMilitaryUTC -10
WAKTWake TimePacificUTC +12
WARSTWestern Argentine Summer TimeSouth AmericaUTC -3
WASTWest Africa Summer TimeAfricaUTC +2
WATWest Africa TimeAfricaUTC +1
WESTWestern European Summer Time
WEDT – Western European Daylight Time
WESZ – Westeuropäische Sommerzeit (German)		Europe
Africa		UTC +1
WETWestern European Time
GMT – Greenwich Mean Time
WEZ – Westeuropäische Zeit (German)		Europe
Africa		UTC +0
WFTWallis and Futuna TimePacificUTC +12
WGSTWestern Greenland Summer Time
WGST – West Greenland Summer Time		North AmericaUTC -2
WGTWest Greenland Time
WGT – Western Greenland Time		North AmericaUTC -3
WIBWestern Indonesian Time
WIB – Waktu Indonesia Barat		AsiaUTC +7
WITEastern Indonesian Time
WIT – Waktu Indonesia Timur		AsiaUTC +9
WITACentral Indonesian Time
WITA – Waktu Indonesia Tengah		AsiaUTC +8
WSTWest Samoa Time
ST – Samoa Time		PacificUTC +13
WSTWestern Sahara Summer TimeAfricaUTC +1
WTWestern Sahara Standard Time
WT – Western Sahara Time		AfricaUTC +0
XX-ray Time ZoneMilitaryUTC -11
YYankee Time ZoneMilitaryUTC -12
YAKSTYakutsk Summer TimeAsiaUTC +10
YAKTYakutsk TimeAsiaUTC +9
YAPTYap TimePacificUTC +10
YEKSTYekaterinburg Summer TimeAsiaUTC +6
YEKTYekaterinburg TimeAsiaUTC +5
ZZulu Time ZoneMilitaryUTC +0

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