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Time zone abbreviations

These pages describe the time zone acronyms and abbreviations used different regions of the world.

Continents/Regions

Index of time zone acronyms and abbreviations

Alphabetically sorted - click on any acronym or abbreviation for more information. Note that some of the abbreviations are not unique, these will have several entries in the list. Other time zones have many common names, and each of these will be listed as well.

AbbreviationFull nameLocationTime zone
AAlpha Time ZoneMilitaryUTC + 1 hour
ADTAtlantic Daylight TimeAtlanticUTC - 3 hours
ADTAtlantic Daylight TimeNorth AmericaUTC - 3 hours
AFTAfghanistan TimeAsiaUTC + 4:30 hours
AKDTAlaska Daylight TimeNorth AmericaUTC - 8 hours
AKSTAlaska Standard TimeNorth AmericaUTC - 9 hours
ALMTAlma-Ata TimeAsiaUTC + 6 hours
AMSTArmenia Summer TimeAsiaUTC + 5 hours
AMSTAmazon Summer TimeSouth AmericaUTC - 3 hours
AMTArmenia TimeAsiaUTC + 4 hours
AMTAmazon TimeSouth AmericaUTC - 4 hours
ANASTAnadyr Summer TimeAsiaUTC + 12 hours
ANATAnadyr TimeAsiaUTC + 12 hours
AQTTAqtobe TimeAsiaUTC + 5 hours
ARTArgentina TimeSouth AmericaUTC - 3 hours
ASTArabia Standard TimeAsiaUTC + 3 hours
ASTAtlantic Standard TimeAtlanticUTC - 4 hours
ASTAtlantic Standard TimeCaribbeanUTC - 4 hours
ASTAtlantic Standard TimeNorth AmericaUTC - 4 hours
AZOSTAzores Summer TimeAtlanticUTC
AZOTAzores TimeAtlanticUTC - 1 hour
AZSTAzerbaijan Summer TimeAsiaUTC + 5 hours
AZTAzerbaijan TimeAsiaUTC + 4 hours
BBravo Time ZoneMilitaryUTC + 2 hours
BNTBrunei Darussalam TimeAsiaUTC + 8 hours
BOTBolivia TimeSouth AmericaUTC - 4 hours
BRSTBrasilia Summer TimeSouth AmericaUTC - 2 hours
BRTBrasília timeSouth AmericaUTC - 3 hours
BSTBangladesh Standard TimeAsiaUTC + 6 hours
BSTBritish Summer TimeEuropeUTC + 1 hour
BTTBhutan TimeAsiaUTC + 6 hours
CCharlie Time ZoneMilitaryUTC + 3 hours
CASTCasey TimeAntarcticaUTC + 8 hours
CATCentral Africa TimeAfricaUTC + 2 hours
CCTCocos Islands TimeIndian OceanUTC + 6:30 hours
CDTCentral Daylight TimeAustraliaUTC + 10:30 hours
CDTCuba Daylight TimeCaribbeanUTC - 4 hours
CDTCentral Daylight TimeNorth AmericaUTC - 5 hours
CESTCentral European Summer TimeEuropeUTC + 2 hours
CETCentral European TimeAfricaUTC + 1 hour
CETCentral European TimeEuropeUTC + 1 hour
CHADTChatham Island Daylight TimePacificUTC + 13:45 hours
CHASTChatham Island Standard TimePacificUTC + 12:45 hours
CKTCook Island TimePacificUTC - 10 hours
CLSTChile Summer TimeSouth AmericaUTC - 3 hours
CLTChile Standard TimeSouth AmericaUTC - 4 hours
COTColombia TimeSouth AmericaUTC - 5 hours
CSTChina Standard TimeAsiaUTC + 8 hours
CSTCentral Standard TimeAustraliaUTC + 9:30 hours
CSTCentral Standard TimeCentral AmericaUTC - 6 hours
CSTCuba Standard TimeCaribbeanUTC - 5 hours
CSTCentral Standard TimeNorth AmericaUTC - 6 hours
CVTCape Verde TimeAfricaUTC - 1 hour
CXTChristmas Island TimeAustraliaUTC + 7 hours
ChSTChamorro Standard TimePacificUTC + 10 hours
DDelta Time ZoneMilitaryUTC + 4 hours
DAVTDavis TimeAntarcticaUTC + 7 hours
EEcho Time ZoneMilitaryUTC + 5 hours
EASSTEaster Island Summer TimePacificUTC - 5 hours
EASTEaster Island Standard TimePacificUTC - 6 hours
EATEastern Africa TimeAfricaUTC + 3 hours
EATEast Africa TimeIndian OceanUTC + 3 hours
ECTEcuador TimeSouth AmericaUTC - 5 hours
EDTEastern Daylight TimeAustraliaUTC + 11 hours
EDTEastern Daylight TimeCaribbeanUTC - 4 hours
EDTEastern Daylight TimeNorth AmericaUTC - 4 hours
EDTEastern Daylight TimePacificUTC + 11 hours
EESTEastern European Summer TimeAfricaUTC + 3 hours
EESTEastern European Summer TimeAsiaUTC + 3 hours
EESTEastern European Summer TimeEuropeUTC + 3 hours
EETEastern European TimeAfricaUTC + 2 hours
EETEastern European TimeAsiaUTC + 2 hours
EETEastern European TimeEuropeUTC + 2 hours
EGSTEastern Greenland Summer TimeNorth AmericaUTC
EGTEast Greenland TimeNorth AmericaUTC - 1 hour
ESTEastern Standard TimeAustraliaUTC + 10 hours
ESTEastern Standard TimeCentral AmericaUTC - 5 hours
ESTEastern Standard TimeCaribbeanUTC - 5 hours
ESTEastern Standard TimeNorth AmericaUTC - 5 hours
ETTiempo del EsteCentral AmericaUTC - 5 hours
ETTiempo del EsteCaribbeanUTC - 5 hours
ETTiempo Del Este North AmericaUTC - 5 hours
FFoxtrot Time ZoneMilitaryUTC + 6 hours
FJSTFiji Summer TimePacificUTC + 13 hours
FJTFiji TimePacificUTC + 12 hours
FKSTFalkland Islands Summer TimeSouth AmericaUTC - 3 hours
FKTFalkland Island TimeSouth AmericaUTC - 4 hours
FNTFernando de Noronha TimeSouth AmericaUTC - 2 hours
GGolf Time ZoneMilitaryUTC + 7 hours
GALTGalapagos TimePacificUTC - 6 hours
GAMTGambier TimePacificUTC - 9 hours
GETGeorgia Standard TimeAsiaUTC + 4 hours
GFTFrench Guiana TimeSouth AmericaUTC - 3 hours
GILTGilbert Island TimePacificUTC + 12 hours
GMTGreenwich Mean TimeAfricaUTC
GMTGreenwich Mean TimeEuropeUTC
GSTGulf Standard TimeAsiaUTC + 4 hours
GYTGuyana TimeSouth AmericaUTC - 4 hours
HHotel Time ZoneMilitaryUTC + 8 hours
HAAHeure Avancée de l'AtlantiqueAtlanticUTC - 3 hours
HAAHeure Avancée de l'AtlantiqueNorth AmericaUTC - 3 hours
HACHeure Avancée du CentreNorth AmericaUTC - 5 hours
HADTHawaii-Aleutian Daylight TimeNorth AmericaUTC - 9 hours
HAEHeure Avancée de l'Est CaribbeanUTC - 4 hours
HAEHeure Avancée de l'Est North AmericaUTC - 4 hours
HAPHeure Avancée du PacifiqueNorth AmericaUTC - 7 hours
HARHeure Avancée des RocheusesNorth AmericaUTC - 6 hours
HASTHawaii-Aleutian Standard TimeNorth AmericaUTC - 10 hours
HATHeure Avancée de Terre-NeuveNorth AmericaUTC - 2:30 hours
HAYHeure Avancée du YukonNorth AmericaUTC - 8 hours
HKTHong Kong TimeAsiaUTC + 8 hours
HLVHora Legal de VenezuelaSouth AmericaUTC - 4:30 hours
HNAHeure Normale de l'AtlantiqueAtlanticUTC - 4 hours
HNAHeure Normale de l'AtlantiqueCaribbeanUTC - 4 hours
HNAHeure Normale de l'AtlantiqueNorth AmericaUTC - 4 hours
HNCHeure Normale du CentreCentral AmericaUTC - 6 hours
HNCHeure Normale du CentreNorth AmericaUTC - 6 hours
HNEHeure Normale de l'EstCentral AmericaUTC - 5 hours
HNEHeure Normale de l'EstCaribbeanUTC - 5 hours
HNEHeure Normale de l'EstNorth AmericaUTC - 5 hours
HNPHeure Normale du PacifiqueNorth AmericaUTC - 8 hours
HNRHeure Normale des RocheusesNorth AmericaUTC - 7 hours
HNTHeure Normale de Terre-NeuveNorth AmericaUTC - 3:30 hours
HNYHeure Normale du YukonNorth AmericaUTC - 9 hours
HOVTHovd TimeAsiaUTC + 7 hours
IIndia Time ZoneMilitaryUTC + 9 hours
ICTIndochina TimeAsiaUTC + 7 hours
IDTIsrael Daylight TimeAsiaUTC + 3 hours
IOTIndian Chagos TimeIndian OceanUTC + 6 hours
IRDTIran Daylight TimeAsiaUTC + 4:30 hours
IRKSTIrkutsk Summer TimeAsiaUTC + 9 hours
IRKTIrkutsk TimeAsiaUTC + 8 hours
IRSTIran Standard TimeAsiaUTC + 3:30 hours
ISTIsrael Standard TimeAsiaUTC + 2 hours
ISTIndia Standard TimeAsiaUTC + 5:30 hours
ISTIrish Standard TimeEuropeUTC + 1 hour
JSTJapan Standard TimeAsiaUTC + 9 hours
KKilo Time ZoneMilitaryUTC + 10 hours
KGTKyrgyzstan TimeAsiaUTC + 6 hours
KRASTKrasnoyarsk Summer TimeAsiaUTC + 8 hours
KRATKrasnoyarsk TimeAsiaUTC + 7 hours
KSTKorea Standard TimeAsiaUTC + 9 hours
KUYTKuybyshev TimeEuropeUTC + 4 hours
LLima Time ZoneMilitaryUTC + 11 hours
LHDTLord Howe Daylight TimeAustraliaUTC + 11 hours
LHSTLord Howe Standard TimeAustraliaUTC + 10:30 hours
LINTLine Islands TimePacificUTC + 14 hours
MMike Time ZoneMilitaryUTC + 12 hours
MAGSTMagadan Summer TimeAsiaUTC + 12 hours
MAGTMagadan TimeAsiaUTC + 11 hours
MARTMarquesas TimePacificUTC - 9:30 hours
MAWTMawson TimeAntarcticaUTC + 5 hours
MDTMountain Daylight TimeNorth AmericaUTC - 6 hours
MHTMarshall Islands TimePacificUTC + 12 hours
MMTMyanmar TimeAsiaUTC + 6:30 hours
MSDMoscow Daylight TimeEuropeUTC + 4 hours
MSKMoscow Standard TimeEuropeUTC + 3 hours
MSTMountain Standard TimeNorth AmericaUTC - 7 hours
MUTMauritius TimeAfricaUTC + 4 hours
MVTMaldives TimeAsiaUTC + 5 hours
MYTMalaysia TimeAsiaUTC + 8 hours
NNovember Time ZoneMilitaryUTC - 1 hour
NCTNew Caledonia TimePacificUTC + 11 hours
NDTNewfoundland Daylight TimeNorth AmericaUTC - 2:30 hours
NFTNorfolk TimeAustraliaUTC + 11:30 hours
NOVSTNovosibirsk Summer TimeAsiaUTC + 7 hours
NOVTNovosibirsk TimeAsiaUTC + 6 hours
NPTNepal Time AsiaUTC + 5:45 hours
NSTNewfoundland Standard TimeNorth AmericaUTC - 3:30 hours
NUTNiue TimePacificUTC - 11 hours
NZDTNew Zealand Daylight TimeAntarcticaUTC + 13 hours
NZDTNew Zealand Daylight TimePacificUTC + 13 hours
NZSTNew Zealand Standard TimeAntarcticaUTC + 12 hours
NZSTNew Zealand Standard TimePacificUTC + 12 hours
OOscar Time ZoneMilitaryUTC - 2 hours
OMSSTOmsk Summer TimeAsiaUTC + 7 hours
OMSTOmsk Standard TimeAsiaUTC + 6 hours
PPapa Time ZoneMilitaryUTC - 3 hours
PDTPacific Daylight TimeNorth AmericaUTC - 7 hours
PETPeru TimeSouth AmericaUTC - 5 hours
PETSTKamchatka Summer TimeAsiaUTC + 12 hours
PETTKamchatka TimeAsiaUTC + 12 hours
PGTPapua New Guinea TimePacificUTC + 10 hours
PHOTPhoenix Island TimePacificUTC + 13 hours
PHTPhilippine TimeAsiaUTC + 8 hours
PKTPakistan Standard TimeAsiaUTC + 5 hours
PMDTPierre & Miquelon Daylight TimeNorth AmericaUTC - 2 hours
PMSTPierre & Miquelon Standard TimeNorth AmericaUTC - 3 hours
PONTPohnpei Standard TimePacificUTC + 11 hours
PSTPacific Standard TimeNorth AmericaUTC - 8 hours
PSTPitcairn Standard TimePacificUTC - 8 hours
PTTiempo del PacíficoNorth AmericaUTC - 8 hours
PWTPalau TimePacificUTC + 9 hours
PYSTParaguay Summer TimeSouth AmericaUTC - 3 hours
PYTParaguay TimeSouth AmericaUTC - 4 hours
QQuebec Time ZoneMilitaryUTC - 4 hours
RRomeo Time ZoneMilitaryUTC - 5 hours
RETReunion TimeAfricaUTC + 4 hours
SSierra Time ZoneMilitaryUTC - 6 hours
SAMTSamara TimeEuropeUTC + 4 hours
SASTSouth Africa Standard TimeAfricaUTC + 2 hours
SBTSolomon IslandsTimePacificUTC + 11 hours
SCTSeychelles TimeAfricaUTC + 4 hours
SGTSingapore TimeAsiaUTC + 8 hours
SRTSuriname TimeSouth AmericaUTC - 3 hours
SSTSamoa Standard TimePacificUTC - 11 hours
TTango Time ZoneMilitaryUTC - 7 hours
TAHTTahiti TimePacificUTC - 10 hours
TFTFrench Southern and Antarctic TimeIndian OceanUTC + 5 hours
TJTTajikistan TimeAsiaUTC + 5 hours
TKTTokelau TimePacificUTC - 10 hours
TLTEast Timor TimeAsiaUTC + 9 hours
TMTTurkmenistan TimeAsiaUTC + 5 hours
TVTTuvalu TimePacificUTC + 12 hours
UUniform Time ZoneMilitaryUTC - 8 hours
ULATUlaanbaatar TimeAsiaUTC + 8 hours
UYSTUruguay Summer TimeSouth AmericaUTC - 2 hours
UYTUruguay TimeSouth AmericaUTC - 3 hours
UZTUzbekistan TimeAsiaUTC + 5 hours
VVictor Time ZoneMilitaryUTC - 9 hours
VETVenezuelan Standard TimeSouth AmericaUTC - 4:30 hours
VLASTVladivostok Summer TimeAsiaUTC + 11 hours
VLATVladivostok TimeAsiaUTC + 10 hours
VUTVanuatu TimePacificUTC + 11 hours
WWhiskey Time ZoneMilitaryUTC - 10 hours
WASTWest Africa Summer TimeAfricaUTC + 2 hours
WATWest Africa TimeAfricaUTC + 1 hour
WDTWestern Daylight TimeAustraliaUTC + 9 hours
WESTWestern European Summer TimeAfricaUTC + 1 hour
WESTWestern European Summer TimeEuropeUTC + 1 hour
WETWestern European TimeAfricaUTC
WETWestern European TimeEuropeUTC
WFTWallis and Futuna TimePacificUTC + 12 hours
WGSTWestern Greenland Summer TimeNorth AmericaUTC - 2 hours
WGTWest Greenland TimeNorth AmericaUTC - 3 hours
WIBWestern Indonesian TimeAsiaUTC + 7 hours
WITEastern Indonesian TimeAsiaUTC + 9 hours
WITACentral Indonesian TimeAsiaUTC + 8 hours
WSTWestern Sahara Summer TimeAfricaUTC + 1 hour
WSTWestern Standard TimeAustraliaUTC + 8 hours
WSTWest Samoa TimePacificUTC - 11 hours
WTWestern Sahara Standard TimeAfricaUTC
XX-ray Time ZoneMilitaryUTC - 11 hours
YYankee Time ZoneMilitaryUTC - 12 hours
YAKSTYakutsk Summer TimeAsiaUTC + 10 hours
YAKTYakutsk TimeAsiaUTC + 9 hours
YAPTYap TimePacificUTC + 10 hours
YEKSTYekaterinburg Summer TimeAsiaUTC + 6 hours
YEKT Yekaterinburg TimeAsiaUTC + 5 hours
ZZulu Time ZoneMilitaryUTC