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Timezone abbreviations



This is an overview of all currently used time zones. Some can be found several times, e.g. for the CET zone (central european time) the abbreviation MEZ (mitteleuropäische Sommerzeit) is also used in German.

In addition to the time abbreviations listed in the list, there are a number of other time designations that can be stumbled upon, e.g.

TAI (Temps Atomique International), the international atomic time. Since it is based exclusively on an atomic time standard, it deviates increasingly from the usual time scales, which are based on solar time.

UT1 (Universal Time No.1) is such a solar time, which is determined by astronomical observation. Ultimately, it is based on the Earth's angle of rotation to the Sun, so unlike the TAI, it is not a uniform measure because it reflects changes in the Earth's rotation. There are other UT variants such as UT0, UT1D, UT1R and UT2, but all of them are usually only important for special scientific disciplines.

In the following overview, it should be noted that the same abbreviation is sometimes used for several time zones.
A country can also extend over several time zones.

Code Time zone UTC-Offset DST Countries
ACDT Australian Central Daylight Time +10:30 DST of ACST
1 country Australia
ACST Australian Central Standard Time +9:30 Standard time
1 country Australia
ACT Acre Time -5:00 Standard time
1 country Brazil
ACWST Australian Central Western Standard Time +8:45 Standard time
1 country Australia
ADT Atlantic Daylight Time -3:00 DST of AST
4 Countries Antigua and Barbuda
Bermuda
Canada
Greenland
AEDT Australian Eastern Daylight Time +11:00 DST of AEST
1 country Australia
AEST Australian Eastern Standard Time +10:00 Standard time
1 country Australia
AFT Afghanistan Time +4:30 Standard time
1 country Afghanistan
AKDT Alaska Daylight Time -8:00 DST of AKST
1 country United States
AKST Alaska Standard Time -9:00 Standard time
1 country United States
ALMT Eastern Kazakhstan Time +6:00 Standard time
1 country Kazakhstan
AMST Amazon Summertime -3:00 DST of AMT
1 country Brazil
AMT Amazon Time -4:00 Standard time
1 country Brazil
AMT Armenia Time +4:00 Standard time
1 country Armenia
ANAT Anadyr Time +12:00 Standard time
1 country Russia
AQTT Western Kazakhstan Time +5:00 Standard time
1 country Kazakhstan
ART Argentina Time -3:00 Standard time
1 country Argentina
AST Atlantic Standard Time -4:00 Standard time
23 Countries Anguilla
Antigua and Barbuda
Aruba
Barbados
Bermuda
Canada
Curacao
Dominica
Dominican Republic
Greenland
Grenada
Guadeloupe
Martinique
Montserrat
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Martin
Saint Vincent and the Grenadines
Sint Maarten
Trinidad and Tobago
Turks and Caicos Islands
United States
AST Arabian Standard Time +3:00 Standard time
5 Countries Bahrain
Iraq
Kuwait
Qatar
Yemen
AWST Australian Western Standard Time +8:00 Standard time
2 Countries Antarctica
Australia
AZOST Azores Summertime +0:00 DST of AZOT
1 country Portugal
AZOT Azores Time -1:00 Standard time
1 country Portugal
AZT Azerbaijan Time +4:00 Standard time
1 country Azerbaijan
BDT Bangladesh Standard Time +6:00 Standard time
1 country Bangladesh
BNT Brunei Time +8:00 Standard time
1 country Brunei
BOT Bolivia Time -4:00 Standard time
1 country Bolivia
BRST Brasilia Summertime -2:00 DST of BRT
1 country Brazil
BRT Brasilia Time -3:00 Standard time
1 country Brazil
BST British Summertime +1:00 DST of GMT
5 Countries Guernsey
Ireland
Isle of Man
Jersey
United Kingdom
BST Bougainville Standard Time +11:00 Standard time
1 country Solomon Islands
BTT Bhutan Time +6:00 Standard time
1 country Bhutan
CAT Central Africa Time +2:00 Standard time
8 Countries Botswana
Burundi
Democratic Republic of the Congo
Malawi
Mozambique
Rwanda
Zambia
Zimbabwe
CCT Cocos Islands Time +6:30 Standard time
1 country Cocos Islands
CDT Cuba Daylight Time -4:00 DST of CST
1 country Cuba
CDT Central Daylight Time -5:00 DST of CST
3 Countries Canada
Mexico
United States
CEST Central European Summertime +2:00 DST of CET
28 Countries Albania
Andorra
Austria
Belgium
Bosnia and Herzegovina
Croatia
Denmark
France
Germany
Gibraltar
Hungary
Italy
Liechtenstein
Luxembourg
Macedonia
Malta
Monaco
Montenegro
Netherlands
Norway
Poland
San Marino
Serbia
Slovakia
Slovenia
Spain
Sweden
Switzerland
CET Central European Time +1:00 Standard time
30 Countries Albania
Algeria
Andorra
Austria
Belgium
Bosnia and Herzegovina
Croatia
Denmark
France
Germany
Gibraltar
Hungary
Italy
Liechtenstein
Luxembourg
Macedonia
Malta
Monaco
Montenegro
Netherlands
Norway
Poland
San Marino
Serbia
Slovakia
Slovenia
Spain
Sweden
Switzerland
Tunisia
CHADT Chatham Daylight Time +13:45 DST of CHAST
1 country New Zealand
CHAST Chatham Standard Time +12:45 Standard time
1 country New Zealand
CHOST Choibalsan Summertime +9:00 DST of CHOT
1 country Mongolia
CHOT Choibalsan Time +8:00 Standard time
1 country Mongolia
CHUT Chuuk Time +10:00 Standard time
1 country Micronesia
CKT Cook Island Time -10:00 Standard time
1 country Cook Islands
CLT Chile Standard Time -3:00 Standard time
2 Countries Antarctica
Chile
COT Colombia Time -5:00 Standard time
1 country Colombia
CST Cuba Standard Time -5:00 Standard time
1 country Cuba
CST Central Standard Time -6:00 Standard time
9 Countries Belize
Canada
Costa Rica
El Salvador
Guatemala
Honduras
Mexico
Nicaragua
United States
CST China Standard Time +8:00 Standard time
3 Countries China
Macao
Taiwan
CVT Cape Verde Time -1:00 Standard time
1 country Cape Verde
CXT Christmas Island Time +7:00 Standard time
1 country Christmas Island
CHST Chamorro Standard Time +10:00 Standard time
2 Countries Guam
Northern Mariana Islands
DAVT Davis Time +7:00 Standard time
1 country Antarctica
DDUT Dumont-d'Urville Time +10:00 Standard time
1 country French Southern Territories
EAST Easter Island Standard Time -5:00 Standard time
1 country Chile
EAT East Africa Time +3:00 Standard time
12 Countries Comoros
Djibouti
Eritrea
Ethiopia
Kenya
Madagascar
Mayotte
Somalia
South Sudan
Sudan
Tanzania
Uganda
ECT Ecuador Time -5:00 Standard time
1 country Ecuador
EDT Eastern Daylight Time -4:00 DST of EST
3 Countries Bahamas
Canada
United States
EEST Eastern European Summertime +3:00 DST of EET
14 Countries Aland Islands
Bulgaria
Cyprus
Estonia
Finland
Greece
Jordan
Latvia
Lebanon
Lithuania
Moldova
Romania
Syria
Ukraine
EET Eastern European Time +2:00 Standard time
18 Countries Aland Islands
Bulgaria
Cyprus
Egypt
Estonia
Finland
Greece
Jordan
Latvia
Lebanon
Libya
Lithuania
Moldova
Palestinian Territory
Romania
Russia
Syria
Ukraine
EGST Eastern Greenland Summertime +0:00 DST of EGT
1 country Greenland
EGT East Greenland Time -1:00 Standard time
1 country Greenland
EST Eastern Standard Time -5:00 Standard time
8 Countries Bahamas
Canada
Cayman Islands
Haiti
Jamaica
Mexico
Panama
United States
FJST Fiji Summertime +13:00 DST of FJT
1 country Fiji
FJT Fiji Time +12:00 Standard time
1 country Fiji
FKST Falkland Islands Standard Time -3:00 Standard time
1 country Falkland Islands
GALT Galapagos Time -6:00 Standard time
1 country Ecuador
GAMT Gambier Time -9:00 Standard time
1 country French Polynesia
GET Georgia Time +4:00 Standard time
1 country Georgia
GFT French Guiana Time -3:00 Standard time
1 country French Guiana
GILT Gilbert Island Time +12:00 Standard time
1 country Kiribati
GMT Greenwich Mean Time +0:00 Standard time
21 Countries Burkina Faso
Gambia
Ghana
Greenland
Guernsey
Guinea
Guinea-Bissau
Iceland
Ireland
Isle of Man
Ivory Coast
Jersey
Liberia
Mali
Mauritania
Saint Helena
Sao Tome and Principe
Senegal
Sierra Leone
Togo
United Kingdom
GST Georgia Standard Time -2:00 Standard time
1 country South Georgia and the South Sandwich Islands
GST Gulf Standard Time +4:00 Standard time
2 Countries Oman
United Arab Emirates
GYT Guyana Time -4:00 Standard time
1 country Guyana
HDT Hawaii-Aleutian Daylight Time -9:00 DST of
1 country United States
HKT Hong Kong Time +8:00 Standard time
1 country Hong Kong
HOVST Hovd Summertime +8:00 DST of HOVT
1 country Mongolia
HOVT Hovd Time +7:00 Standard time
1 country Mongolia
HST Hawaii Standard Time -10:00 Standard time
1 country United States
ICT Indochina Time +7:00 Standard time
4 Countries Cambodia
Laos
Thailand
Vietnam
IDT Israel Daylight Time +3:00 DST of IST
1 country Israel
IOT Indian Chagos Time +6:00 Standard time
1 country British Indian Ocean Territory
IRDT Iran Daylight Time +4:30 DST of IRST
1 country Iran
IRKT Irkutsk Time +8:00 Standard time
1 country Russia
IRST Iran Standard Time +3:30 Standard time
1 country Iran
IST Irish Summertime +1:00 DST of IST
1 country Ireland
IST Israel Standard Time +2:00 Standard time
1 country Israel
IST India Standard Time +5:30 Standard time
2 Countries India
Sri Lanka
JST Japan Standard Time +9:00 Standard time
1 country Japan
KGT Kyrgyzstan Time +6:00 Standard time
1 country Kyrgyzstan
KOST Kosrae Time +11:00 Standard time
1 country Micronesia
KRAT Krasnoyarsk Time +7:00 Standard time
1 country Russia
KST Korea Standard Time +9:00 Standard time
1 country South Korea
LHDT Lord Howe Daylight Time +11:30 DST of LHST
1 country Australia
LHST Lord Howe Standard Time +10:30 Standard time
1 country Australia
LINT Line Islands Time +14:00 Standard time
1 country Kiribati
MART Marquesas Time -9:30 Standard time
1 country French Polynesia
MAWT Mawson Time +5:00 Standard time
1 country Antarctica
MDT Mountain Daylight Time -6:00 DST of MST
3 Countries Canada
Mexico
United States
MESZ Mitteleuropäische Sommerzeit +2:00 DST of MEZ
28 Countries Albania
Andorra
Austria
Belgium
Bosnia and Herzegovina
Croatia
Denmark
France
Germany
Gibraltar
Hungary
Italy
Liechtenstein
Luxembourg
Macedonia
Malta
Monaco
Montenegro
Netherlands
Norway
Poland
San Marino
Serbia
Slovakia
Slovenia
Spain
Sweden
Switzerland
MEZ Mitteleuropäische Zeit +1:00 Standard time
30 Countries Albania
Algeria
Andorra
Austria
Belgium
Bosnia and Herzegovina
Croatia
Denmark
France
Germany
Gibraltar
Hungary
Italy
Liechtenstein
Luxembourg
Macedonia
Malta
Monaco
Montenegro
Netherlands
Norway
Poland
San Marino
Serbia
Slovakia
Slovenia
Spain
Sweden
Switzerland
Tunisia
MHT Marshall Islands Time +12:00 Standard time
1 country Marshall Islands
MIST Macquarie Island Station Time +11:00 Standard time
1 country Australia
MMT Myanmar Time +6:30 Standard time
1 country Myanmar
MSK Moscow Standard Time +3:00 Standard time
3 Countries Belarus
Russia
Ukraine
MST Mountain Standard Time -7:00 Standard time
3 Countries Canada
Mexico
United States
MUT Mauritius Time +4:00 Standard time
1 country Mauritius
MVT Maldives Time +5:00 Standard time
1 country Maldives
MYT Malaysia Time +8:00 Standard time
1 country Malaysia
NCT New Caledonia Time +11:00 Standard time
1 country New Caledonia
NDT Newfoundland Daylight Time -2:30 DST of NST
1 country Canada
NFT Norfolk Time +11:00 Standard time
1 country Norfolk Island
NOVT Novosibirsk Time +6:00 Standard time
1 country Russia
NPT Nepal Time +5:45 Standard time
1 country Nepal
NRT Nauru Time +12:00 Standard time
1 country Nauru
NST Newfoundland Standard Time -3:30 Standard time
1 country Canada
NUT Niue Time -11:00 Standard time
1 country Niue
NZDT New Zealand Daylight Time +13:00 DST of NZST
2 Countries Antarctica
New Zealand
NZST New Zealand Standard Time +12:00 Standard time
2 Countries Antarctica
New Zealand
OESZ Osteuropäische Sommerzeit +3:00 DST of OEZ
14 Countries Aland Islands
Bulgaria
Cyprus
Estonia
Finland
Greece
Jordan
Latvia
Lebanon
Lithuania
Moldova
Romania
Syria
Ukraine
OEZ Osteuropäische Zeit +2:00 Standard time
18 Countries Aland Islands
Bulgaria
Cyprus
Egypt
Estonia
Finland
Greece
Jordan
Latvia
Lebanon
Libya
Lithuania
Moldova
Palestinian Territory
Romania
Russia
Syria
Ukraine
OMST Omsk Standard Time +6:00 Standard time
1 country Russia
ORAT Western Kazakhstan Time +5:00 Standard time
1 country Kazakhstan
PDT Pacific Daylight Time -7:00 DST of PST
3 Countries Canada
Mexico
United States
PET Peru Time -5:00 Standard time
1 country Peru
PETT Kamchatka Time +12:00 Standard time
1 country Russia
PGT Papua New Guinea Time +10:00 Standard time
1 country Papua New Guinea
PHOT Phoenix Island Time +13:00 Standard time
1 country Kiribati
PHT Philippines Time +8:00 Standard time
1 country Philippines
PKT Pakistan Standard Time +5:00 Standard time
1 country Pakistan
PMDT Pierre & Miquelon Daylight Time -2:00 DST of PMST
1 country Saint Pierre and Miquelon
PMST Pierre & Miquelon Standard Time -3:00 Standard time
1 country Saint Pierre and Miquelon
PONT Pohnpei Standard Time +11:00 Standard time
1 country Micronesia
PST Pitcairn Standard Time -8:00 Standard time
4 Countries Canada
Mexico
Pitcairn
United States
PWT Palau Time +9:00 Standard time
1 country Palau
PYST Paraguay Summertime -3:00 DST of PYT
1 country Paraguay
PYT Paraguay Time -4:00 Standard time
1 country Paraguay
PYT Pyongyang Time +8:30 Standard time
1 country North Korea
QYZT Eastern Kazakhstan Time +6:00 Standard time
1 country Kazakhstan
RET Réunion Time +4:00 Standard time
1 country Reunion
ROTT Rothera Time -3:00 Standard time
1 country Antarctica
SAKT Sakhalin Time +10:00 Standard time
1 country Russia
SAMT Samara Time +4:00 Standard time
1 country Russia
SAST South Africa Standard Time +2:00 Standard time
3 Countries Lesotho
South Africa
Swaziland
SBT Solomon Islands Time +11:00 Standard time
1 country Solomon Islands
SCT Seychelles Time +4:00 Standard time
1 country Seychelles
SGT Singapore Time +8:00 Standard time
1 country Singapore
SRET Srednekolymsk Time +11:00 Standard time
1 country Russia
SRT Suriname Time -3:00 Standard time
1 country Suriname
SST Samoa Standard Time -11:00 Standard time
2 Countries American Samoa
Samoa
SYOT Syowa Time +3:00 Standard time
1 country Antarctica
TAHT Tahiti Time -10:00 Standard time
1 country French Polynesia
TFT French Southern and Antarctic Time +5:00 Standard time
1 country French Southern Territories
TJT Tajikistan Time +5:00 Standard time
1 country Tajikistan
TKT Tokelau Time +13:00 Standard time
1 country Tokelau
TLT East Timor Time +9:00 Standard time
1 country East Timor
TMT Turkmenistan Time +5:00 Standard time
1 country Turkmenistan
TOT Tonga Time +13:00 Standard time
1 country Tonga
TRT Turkey Time +3:00 Standard time
1 country Turkey
TVT Tuvalu Time +12:00 Standard time
1 country Tuvalu
ULAST Ulaanbaatar Summertime +9:00 DST of ULAT
1 country Mongolia
ULAT Ulaanbaatar Time +8:00 Standard time
1 country Mongolia
UTC Universal Time Coordinated 0:00 Standard time
1 country
UYT Uruguay Time -3:00 Standard time
1 country Uruguay
UZT Uzbekistan Time +5:00 Standard time
1 country Uzbekistan
VET Venezuelan Standard Time -4:30 Standard time
1 country Venezuela
VLAT Vladivostok Time +10:00 Standard time
1 country Russia
VOST Vostok Time +6:00 Standard time
1 country Antarctica
VUT Vanuatu Time +11:00 Standard time
1 country Vanuatu
WAST West Africa Summertime +2:00 DST of WAT
1 country Namibia
WAT West Africa Time +1:00 Standard time
12 Countries Angola
Benin
Cameroon
Central African Republic
Chad
Democratic Republic of the Congo
Equatorial Guinea
Gabon
Namibia
Niger
Nigeria
Republic of the Congo
WEST Western European Summertime +1:00 DST of WET
5 Countries Faroe Islands
Morocco
Portugal
Spain
Western Sahara
WET Western European Time +0:00 Standard time
5 Countries Faroe Islands
Morocco
Portugal
Spain
Western Sahara
WESZ Western European Summertime +1:00 DST of WEZ
5 Countries Faroe Islands
Morocco
Portugal
Spain
Western Sahara
WEZ Westeuropäische Zeit +0:00 Standard time
5 Countries Faroe Islands
Morocco
Portugal
Spain
Western Sahara
WFT Wallis and Futuna Time +12:00 Standard time
1 country Wallis and Futuna
WGST Western Greenland Summertime -2:00 DST of WGT
1 country Greenland
WGT West Greenland Time -3:00 Standard time
1 country Greenland
WIB Western Indonesian Time +7:00 Standard time
1 country Indonesia
WIT Eastern Indonesian Time +9:00 Standard time
1 country Indonesia
WITA Central Indonesian Time +8:00 Standard time
1 country Indonesia
WSDT West Samoa Daylight Time +14:00 DST of WSST
1 country Samoa
WSST West Samoa Standard Time +13:00 Standard time
1 country Samoa
YAKT Yakutsk Time +9:00 Standard time
1 country Russia
YEKT Yekaterinburg Time +5:00 Standard time
1 country Russia
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