Time Zone Abbreviations – Worldwide List

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Abbreviation Time Zone Name Location Offset
A Alpha Time Zone Military UTC +1
ACDT Australian Central Daylight Time

CDT – Central Daylight Time
CDST – Central Daylight Savings Time
Australia UTC +10:30
ACST Australian Central Standard Time

CST – Central Standard Time
Australia UTC +9:30
ACT Acre Time South America UTC -5
ACT Australian Central Time Australia UTC +9:30 / +10:30
ACWST Australian Central Western Standard Time Australia UTC +8:45
ADT Arabia Daylight Time

AST – Arabia Summer Time
Asia UTC +3
ADT Atlantic Daylight Time

ADST – Atlantic Daylight Saving Time
AST – Atlantic Summer Time

HAA – Heure Avancée de l’Atlantique (French)
North America Atlantic UTC -3
AEDT Australian Eastern Daylight Time

EDT – Eastern Daylight Time
EDST – Eastern Daylight Saving Time
Australia UTC +11
AEST Australian Eastern Standard Time

EST – Eastern Standard Time
AET – Australian Eastern Time
Australia UTC +10
AET Australian Eastern Time Australia UTC +10:00 / +11:00
AFT Afghanistan Time Asia UTC +4:30
AKDT Alaska Daylight Time

ADST – Alaska Daylight Saving Time
North America UTC -8
AKST Alaska Standard Time

AT – Alaska Time
North America UTC -9
ALMT Alma-Ata Time Asia UTC +6
AMST Amazon Summer Time South America UTC -3
AMST Armenia Summer Time

AMDT – Armenia Daylight Time
Asia UTC +5
AMT Amazon Time South America UTC -4
AMT Armenia Time Asia UTC +4
ANAST Anadyr Summer Time Asia UTC +12
ANAT Anadyr Time Asia UTC +12
AQTT Aqtobe Time Asia UTC +5
ART Argentina Time Antarctica South America UTC -3
AST Arabia Standard Time

AST – Arabic Standard Time
AST – Al Manamah Standard Time
Asia 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 UTC -4
AT Atlantic Time North America Atlantic UTC -4:00 / -3:00
AWDT Australian Western Daylight Time

WDT – Western Daylight Time
WST – Western Summer Time
Australia UTC +9
AWST Australian Western Standard Time

WST – Western Standard Time
WAT – Western Australia Time
Australia UTC +8
AZOST Azores Summer Time

AZODT – Azores Daylight Time
Atlantic UTC +0
AZOT Azores Time

AZOST – Azores Standard Time
Atlantic UTC -1
AZST Azerbaijan Summer Time Asia UTC +5
AZT Azerbaijan Time Asia UTC +4
AoE Anywhere on Earth Pacific UTC -12
B Bravo Time Zone Military UTC +2
BNT Brunei Darussalam Time

BDT – Brunei Time
Asia UTC +8
BOT Bolivia Time South America UTC -4
BRST Brasília Summer Time

BST – Brazil Summer Time
BST – Brazilian Summer Time
South America UTC -2
BRT Brasília Time

BT – Brazil Time
BT – Brazilian Time
South America UTC -3
BST Bangladesh Standard Time Asia UTC +6
BST Bougainville Standard Time Pacific UTC +11
BST British Summer Time

BDT – British Daylight Time
BDST – British Daylight Saving Time
Europe UTC +1
BTT Bhutan Time Asia UTC +6
C Charlie Time Zone Military UTC +3
CAST Casey Time Antarctica UTC +11
CAT Central Africa Time Africa UTC +2
CCT Cocos Islands Time Indian Ocean 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 UTC -5
CDT Cuba Daylight Time Caribbean UTC -4
CEST Central European Summer Time

CEDT – Central European Daylight Time
ECST – European Central Summer Time

MESZ – Mitteleuropäische Sommerzeit (German)
Europe Antarctica UTC +2
CET Central European Time

ECT – European Central Time
CET – Central Europe Time

MEZ – Mitteleuropäische Zeit (German)
Europe Africa UTC +1
CHADT Chatham Island Daylight Time

CDT – Chatham Daylight Time
Pacific UTC +13:45
CHAST Chatham Island Standard Time Pacific UTC +12:45
CHOST Choibalsan Summer Time

CHODT – Choibalsan Daylight Time
CHODST – Choibalsan Daylight Saving Time
Asia UTC +9
CHOT Choibalsan Time Asia UTC +8
CHUT Chuuk Time Pacific UTC +10
CIDST Cayman Islands Daylight Saving Time Caribbean UTC -4
CIST Cayman Islands Standard Time

CIT – Cayman Islands Time
Caribbean UTC -5
CKT Cook Island Time Pacific UTC -10
CLST Chile Summer Time

CLDT – Chile Daylight Time
South America Antarctica UTC -3
CLT Chile Standard Time

CT – Chile Time
CLST – Chile Standard Time
South America Antarctica UTC -4
COT Colombia Time South America 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 UTC -6
CST China Standard Time Asia UTC +8
CST Cuba Standard Time Caribbean UTC -5
CT Central Time North America UTC -6:00 / -5:00
CVT Cape Verde Time Africa UTC -1
CXT Christmas Island Time Australia UTC +7
ChST Chamorro Standard Time

GST – Guam Standard Time
Pacific UTC +10
D Delta Time Zone Military UTC +4
DAVT Davis Time Antarctica UTC +7
DDUT Dumont-d’Urville Time Antarctica UTC +10
E Echo Time Zone Military UTC +5
EASST Easter Island Summer Time

EADT – Easter Island Daylight Time
Pacific UTC -5
EAST Easter Island Standard Time Pacific UTC -6
EAT Eastern Africa Time

EAT – East Africa Time
Africa Indian Ocean UTC +3
ECT Ecuador Time South America 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 UTC -4
EEST Eastern European Summer Time

EEDT – Eastern European Daylight Time

OESZ – Osteuropäische Sommerzeit (German)
Europe Asia UTC +3
EET Eastern European Time

OEZ – Osteuropäische Zeit (German)
Europe Asia Africa UTC +2
EGST Eastern Greenland Summer Time

EGST – East Greenland Summer Time
North America UTC +0
EGT East Greenland Time

EGT – Eastern Greenland Time
North America 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 UTC -5
ET Eastern Time North America Caribbean UTC -5:00 / -4:00
F Foxtrot Time Military UTC +6
FET Further-Eastern European Time Europe UTC +3
FJST Fiji Summer Time

FJDT – Fiji Daylight Time
Pacific UTC +13
FJT Fiji Time Pacific UTC +12
FKST Falkland Islands Summer Time

FKDT – Falkland Island Daylight Time
South America UTC -3
FKT Falkland Island Time

FKST – Falkland Island Standard Time
South America UTC -4
FNT Fernando de Noronha Time South America UTC -2
G Golf Time Zone Military UTC +7
GALT Galapagos Time Pacific UTC -6
GAMT Gambier Time

GAMT – Gambier Islands Time
Pacific UTC -9
GET Georgia Standard Time Asia UTC +4
GFT French Guiana Time South America UTC -3
GILT Gilbert Island Time Pacific UTC +12
GMT Greenwich Mean Time

UTC – Coordinated Universal Time
GT – Greenwich Time
Europe Africa North America Antarctica UTC +0
GST Gulf Standard Time Asia UTC +4
GST South Georgia Time South America UTC -2
GYT Guyana Time South America UTC -4
H Hotel Time Zone Military UTC +8
HADT Hawaii-Aleutian Daylight Time

HDT – Hawaii Daylight Time
North America UTC -9
HAST Hawaii-Aleutian Standard Time

HST – Hawaii Standard Time
North America Pacific UTC -10
HKT Hong Kong Time Asia UTC +8
HOVST Hovd Summer Time

HOVDT – Hovd Daylight Time
HOVDST – Hovd Daylight Saving Time
Asia UTC +8
HOVT Hovd Time Asia UTC +7
I India Time Zone Military UTC +9
ICT Indochina Time Asia UTC +7
IDT Israel Daylight Time Asia UTC +3
IOT Indian Chagos Time Indian Ocean UTC +6
IRDT Iran Daylight Time

IRST – Iran Summer Time
IDT – Iran Daylight Time
Asia UTC +4:30
IRKST Irkutsk Summer Time Asia UTC +9
IRKT Irkutsk Time Asia UTC +8
IRST Iran Standard Time

IT – Iran Time
Asia UTC +3:30
IST India Standard Time

IT – India Time
IST – Indian Standard Time
Asia UTC +5:30
IST Irish Standard Time

IST – Irish Summer Time
Europe UTC +1
IST Israel Standard Time Asia UTC +2
JST Japan Standard Time Asia UTC +9
K Kilo Time Zone Military UTC +10
KGT Kyrgyzstan Time Asia UTC +6
KOST Kosrae Time Pacific UTC +11
KRAST Krasnoyarsk Summer Time Asia UTC +8
KRAT Krasnoyarsk Time Asia UTC +7
KST Korea Standard Time

KST – Korean Standard Time
KT – Korea Time
Asia UTC +9
KUYT Kuybyshev Time

SAMST – Samara Summer Time
Europe UTC +4
L Lima Time Zone Military UTC +11
LHDT Lord Howe Daylight Time Australia UTC +11
LHST Lord Howe Standard Time Australia UTC +10:30
LINT Line Islands Time Pacific UTC +14
M Mike Time Zone Military UTC +12
MAGST Magadan Summer Time

MAGST – Magadan Island Summer Time
Asia UTC +12
MAGT Magadan Time

MAGT – Magadan Island Time
Asia UTC +11
MART Marquesas Time

Pacific UTC -9:30
MAWT Mawson Time

Antarctica 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 UTC -6
MHT Marshall Islands Time

Pacific UTC +12
MMT Myanmar Time

Asia UTC +6:30
MSD Moscow Daylight Time

Moscow Summer Time

Europe UTC +4
MSK Moscow Standard Time

MCK – Moscow Time

Europe Asia UTC +3
MST Mountain Standard Time

MT – Mountain Time
NAMST – North American Mountain Standard Time

HNR – Heure Normale des Rocheuses (French)

North America UTC -7
MT Mountain Time

North America UTC -7:00 / -6:00
MUT Mauritius Time

Africa UTC +4
MVT Maldives Time

Asia UTC +5
MYT Malaysia Time

MST – Malaysian Standard Time

Asia UTC +8
N November Time Zone

Military UTC -1
NCT New Caledonia Time

Pacific UTC +11
NDT Newfoundland Daylight Time

HAT – Heure Avancée de Terre-Neuve (French)

North America UTC -2:30
NFT Norfolk Time

NFT – Norfolk Island Time

Australia UTC +11
NOVST Novosibirsk Summer Time

OMSST – Omsk Summer Time

Asia UTC +7
NOVT Novosibirsk Time

OMST – Omsk Standard Time

Asia UTC +7
NPT Nepal Time

Asia UTC +5:45
NRT Nauru Time

Pacific UTC +12
NST Newfoundland Standard Time

HNT – Heure Normale de Terre-Neuve (French)

North America UTC -3:30
NUT Niue Time

Pacific UTC -11
NZDT New Zealand Daylight Time

Pacific Antarctica UTC +13
NZST New Zealand Standard Time

Pacific Antarctica UTC +12
O Oscar Time Zone

Military UTC -2
OMSST Omsk Summer Time

NOVST – Novosibirsk Summer Time

Asia UTC +7
OMST Omsk Standard Time

OMST – Omsk Time
NOVT – Novosibirsk Time

Asia UTC +6
ORAT Oral Time

Asia UTC +5
P Papa Time Zone

Military 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 UTC -7
PET Peru Time

South America UTC -5
PETST Kamchatka Summer Time

Asia UTC +12
PETT Kamchatka Time

PETT – Petropavlovsk-Kamchatski Time

Asia UTC +12
PGT Papua New Guinea Time

Pacific UTC +10
PHOT Phoenix Island Time

Pacific UTC +13
PHT Philippine Time

PST – Philippine Standard Time

Asia UTC +8
PKT Pakistan Standard Time

PKT – Pakistan Time

Asia UTC +5
PMDT Pierre & Miquelon Daylight Time

North America UTC -2
PMST Pierre & Miquelon Standard Time

North America UTC -3
PONT Pohnpei Standard Time

Pacific UTC +11
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 UTC -8
PST Pitcairn Standard Time

Pacific UTC -8
PT Pacific Time

North America UTC -8:00 / -7:00
PWT Palau Time

Pacific UTC +9
PYST Paraguay Summer Time

South America UTC -3
PYT Paraguay Time

South America UTC -4
PYT Pyongyang Time

PYST – Pyongyang Standard Time

Asia UTC +8:30
Q Quebec Time Zone

Military UTC -4
QYZT Qyzylorda Time

Asia UTC +6
R Romeo Time Zone

Military UTC -5
RET Reunion Time

Africa UTC +4
ROTT Rothera Time

Antarctica UTC -3
S Sierra Time Zone

Military UTC -6
SAKT Sakhalin Time

Asia UTC +11
SAMT Samara Time

SAMT – Samara Standard Time

Europe UTC +4
SAST South Africa Standard Time

SAST – South African Standard Time

Africa UTC +2
SBT Solomon Islands Time

SBT – Solomon Island Time

Pacific UTC +11
SCT Seychelles Time

Africa UTC +4
SGT Singapore Time

SST – Singapore Standard Time

Asia UTC +8
SRET Srednekolymsk Time

Asia UTC +11
SRT Suriname Time

South America UTC -3
SST Samoa Standard Time

Pacific UTC -11
SYOT Syowa Time

Antarctica UTC +3
T Tango Time Zone

Military UTC -7
TAHT Tahiti Time

Pacific UTC -10
TFT French Southern and Antarctic Time

KIT – Kerguelen (Islands) Time

Indian Ocean UTC +5
TJT Tajikistan Time

Asia UTC +5
TKT Tokelau Time

Pacific UTC +13
TLT East Timor Time

Asia UTC +9
TMT Turkmenistan Time

Asia UTC +5
TOST Tonga Summer Time

Pacific UTC +14
TOT Tonga Time

Pacific UTC +13
TRT Turkey Time

Asia Europe UTC +3
TVT Tuvalu Time

Pacific UTC +12
U Uniform Time Zone

Military UTC -8
ULAST Ulaanbaatar Summer Time

ULAST – Ulan Bator Summer Time

Asia UTC +9
ULAT Ulaanbaatar Time

ULAT – Ulan Bator Time

Asia UTC +8
UTC Coordinated Universal Time

Worldwide UTC
UYST Uruguay Summer Time

South America UTC -2
UYT Uruguay Time

South America UTC -3
UZT Uzbekistan Time

Asia UTC +5
V Victor Time Zone

Military UTC -9
VET Venezuelan Standard Time

HLV – Hora Legal de Venezuela (Spanish)

South America UTC -4
VLAST Vladivostok Summer Time

Asia UTC +11
VLAT Vladivostok Time

Asia UTC +10
VOST Vostok Time

Antarctica UTC +6
VUT Vanuatu Time

EFATE – Efate Time

Pacific UTC +11
W Whiskey Time Zone

Military UTC -10
WAKT Wake Time

Pacific UTC +12
WARST Western Argentine Summer Time

South America UTC -3
WAST West Africa Summer Time

Africa UTC +2
WAT West Africa Time

Africa UTC +1
WEST Western European Summer Time

WEDT – Western European Daylight Time

WESZ – Westeuropäische Sommerzeit (German)

Europe Africa UTC +1
WET Western European Time

GMT – Greenwich Mean Time

WEZ – Westeuropäische Zeit (German)

Europe Africa UTC +0
WFT Wallis and Futuna Time

Pacific UTC +12
WGST Western Greenland Summer Time

WGST – West Greenland Summer Time

North America UTC -2
WGT West Greenland Time

WGT – Western Greenland Time

North America UTC -3
WIB Western Indonesian Time

WIB – Waktu Indonesia Barat

Asia UTC +7
WIT Eastern Indonesian Time

WIT – Waktu Indonesia Timur

Asia UTC +9
WITA Central Indonesian Time

WITA – Waktu Indonesia Tengah

Asia UTC +8
WST West Samoa Time

ST – Samoa Time

Pacific UTC +14
WST Western Sahara Summer Time

Africa UTC +1
WT Western Sahara Standard Time

WT – Western Sahara Time

Africa UTC +0
X X-ray Time Zone

Military UTC -11
Y Yankee Time Zone

Military UTC -12
YAKST Yakutsk Summer Time

Asia UTC +10
YAKT Yakutsk Time

Asia UTC +9
YAPT Yap Time

Pacific UTC +10
YEKST Yekaterinburg Summer Time

Asia UTC +6
YEKT Yekaterinburg Time

Asia UTC +5
Z Zulu Time Zone

Military UTC +0

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Time-Zone-Abbreviations