Time Zone Abbreviations – Worldwide List

Time zone names, codes and abbreviations for Standard Time and Daylight Saving Time (DST) around the world.

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 Pacific	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 -3:00 / -4:00
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 +8
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 Antarctica	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	Asia	UTC +9:00 / +8:00
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 -5:00 / -6:00
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 -4:00 / -5:00
F	Foxtrot Time Zone	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	Asia	UTC +8:00 / +7:00
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 -6:00 / -7:00
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 +6
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 -7:00 / -8:00
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
TOT	Tonga Time	Pacific	UTC +13
TVT	Tuvalu Time	Pacific	UTC +12
U	Uniform Time Zone	Military	UTC -8
ULAST	Ulaanbaatar Summer Time	Asia	UTC +9:00 / +8:00
ULAST	Ulaanbaatar Summer Time ULAST – Ulan Bator Summer Time	Asia	UTC +9
ULAT	Ulaanbaatar Time ULAT – Ulan Bator Time	Asia	UTC +8
ULAT	Ulaanbaatar Time	Asia	UTC +9:00 / +8:00
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 +13
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