Wikipedia

List of time zone abbreviations

This is a list of time zone abbreviations.

Time zones are often represented by alphabetic abbreviations such as "EST", "WST", and "CST", but these are not part of the international time and date standard ISO 8601 and their use as sole designator for a time zone is discouraged.

Such designations can be ambiguous; for example, "CST" can mean China Standard Time (UTC+8), Cuba Standard Time (UTC−5), and (North American) Central Standard Time (UTC−6), and it is also a widely used variant of ACST (Australian Central Standard Time, UTC+9:30). Such designations predate both ISO 8601 and the internet era; in an earlier era, they were sufficiently unambiguous for many practical uses within a national context (for example, in railway timetables and business correspondence), but their ambiguity explains their deprecation in the internet era, when communications more often cannot rely on implicit geographic context to supply part of the meaning.

Abbr. Name UTC offset
ACDT Australian Central Daylight Saving Time UTC+10:30
ACST Australian Central Standard Time UTC+09:30
ACT Acre Time UTC−05
ACT ASEAN Common Time (proposed) UTC+08
ACWST Australian Central Western Standard Time (unofficial) UTC+08:45
ADT Atlantic Daylight Time UTC−03
AEDT Australian Eastern Daylight Saving Time UTC+11
AEST Australian Eastern Standard Time UTC+10
AET (AEST/AEDT) Australian Eastern Time UTC+10 / UTC+11
AFT Afghanistan Time UTC+04:30
AKDT Alaska Daylight Time UTC−08
AKST Alaska Standard Time UTC−09
ALMT Alma-Ata Time[1] UTC+06
AMST Amazon Summer Time (Brazil)[2] UTC−03
AMT Amazon Time (Brazil)[3] UTC−04
AMT Armenia Time UTC+04
ANAT Anadyr Time[4] UTC+12
AQTT Aqtobe Time[5] UTC+05
ART Argentina Time UTC−03
AST Arabia Standard Time UTC+03
AST Atlantic Standard Time UTC−04
AWST Australian Western Standard Time UTC+08
AZOST Azores Summer Time UTC+00
AZOT Azores Standard Time UTC−01
AZT Azerbaijan Time UTC+04
BNT Brunei Time UTC+08
BIOT British Indian Ocean Time UTC+06
BIT Baker Island Time UTC−12
BOT Bolivia Time UTC−04
BRST Brasília Summer Time UTC−02
BRT Brasília Time UTC−03
BST Bangladesh Standard Time UTC+06
BST Bougainville Standard Time[6] UTC+11
BST British Summer Time (British Standard Time from Mar 1968 to Oct 1971) UTC+01
BTT Bhutan Time UTC+06
CAT Central Africa Time UTC+02
CCT Cocos Islands Time UTC+06:30
CDT Central Daylight Time (North America) UTC−05
CDT Cuba Daylight Time[7] UTC−04
CEST Central European Summer Time UTC+02
CET Central European Time UTC+01
CHADT Chatham Daylight Time UTC+13:45
CHAST Chatham Standard Time UTC+12:45
CHOT Choibalsan Standard Time UTC+08
CHOST Choibalsan Summer Time UTC+09
CHST Chamorro Standard Time UTC+10
CHUT Chuuk Time UTC+10
CIST Clipperton Island Standard Time UTC−08
CKT Cook Island Time UTC−10
CLST Chile Summer Time UTC−03
CLT Chile Standard Time UTC−04
COST Colombia Summer Time UTC−04
COT Colombia Time UTC−05
CST Central Standard Time (Central America) UTC−06
CST China Standard Time UTC+08
CST Cuba Standard Time UTC−05
CT (CST/CDT) Central Time UTC−06 / UTC−05
CVT Cape Verde Time UTC−01
CWST Central Western Standard Time (Australia) unofficial UTC+08:45
CXT Christmas Island Time UTC+07
DAVT Davis Time UTC+07
DDUT Dumont d'Urville Time (in French Antarctic station) UTC+10
DFT AIX-specific equivalent of Central European Time[NB 1] UTC+01
EASST Easter Island Summer Time UTC−05
EAST Easter Island Standard Time UTC−06
EAT East Africa Time UTC+03
ECT Eastern Caribbean Time (does not recognise DST) UTC−04
ECT Ecuador Time UTC−05
EDT Eastern Daylight Time (North America) UTC−04
EEST Eastern European Summer Time UTC+03
EET Eastern European Time UTC+02
EGST Eastern Greenland Summer Time UTC+00
EGT Eastern Greenland Time UTC−01
EST Eastern Standard Time (North America) UTC−05
ET (EST/EDT) Eastern Time (North America) UTC−05 / UTC−04
FET Further-eastern European Time UTC+03
FJT Fiji Time UTC+12
FKST Falkland Islands Summer Time UTC−03
FKT Falkland Islands Time UTC−04
FNT Fernando de Noronha Time UTC−02
GALT Galápagos Time UTC−06
GAMT Gambier Islands Time UTC−09
GET Georgia Standard Time UTC+04
GFT French Guiana Time UTC−03
GILT Gilbert Island Time UTC+12
GIT Gambier Island Time UTC−09
GMT Greenwich Mean Time UTC+00
GST South Georgia and the South Sandwich Islands Time UTC−02
GST Gulf Standard Time UTC+04
GYT Guyana Time UTC−04
HDT Hawaii–Aleutian Daylight Time UTC−09
HAEC Heure Avancée d'Europe Centrale French-language name for CEST UTC+02
HST Hawaii–Aleutian Standard Time UTC−10
HKT Hong Kong Time UTC+08
HMT Heard and McDonald Islands Time UTC+05
HOVST Hovd Summer Time (not used from 2017-present) UTC+08
HOVT Hovd Time UTC+07
ICT Indochina Time UTC+07
IDLW International Date Line West time zone UTC−12
IDT Israel Daylight Time UTC+03
IOT Indian Ocean Time UTC+06
IRDT Iran Daylight Time UTC+04:30
IRKT Irkutsk Time UTC+08
IRST Iran Standard Time UTC+03:30
IST Indian Standard Time UTC+05:30
IST Irish Standard Time[8] UTC+01
IST Israel Standard Time UTC+02
JST Japan Standard Time UTC+09
KALT Kaliningrad Time UTC+02
KGT Kyrgyzstan Time UTC+06
KOST Kosrae Time UTC+11
KRAT Krasnoyarsk Time UTC+07
KST Korea Standard Time UTC+09
LHST Lord Howe Standard Time UTC+10:30
LHST Lord Howe Summer Time UTC+11
LINT Line Islands Time UTC+14
MAGT Magadan Time UTC+12
MART Marquesas Islands Time UTC−09:30
MAWT Mawson Station Time UTC+05
MDT Mountain Daylight Time (North America) UTC−06
MET Middle European Time (same zone as CET) UTC+01
MEST Middle European Summer Time (same zone as CEST) UTC+02
MHT Marshall Islands Time UTC+12
MIST Macquarie Island Station Time UTC+11
MIT Marquesas Islands Time UTC−09:30
MMT Myanmar Standard Time UTC+06:30
MSK Moscow Time UTC+03
MST Malaysia Standard Time UTC+08
MST Mountain Standard Time (North America) UTC−07
MT (MST/MDT) Mountain Time (North America) UTC−07 / UTC−06
MUT Mauritius Time UTC+04
MVT Maldives Time UTC+05
MYT Malaysia Time UTC+08
NCT New Caledonia Time UTC+11
NDT Newfoundland Daylight Time UTC−02:30
NFT Norfolk Island Time UTC+11
NOVT Novosibirsk Time [9] UTC+07
NPT Nepal Time UTC+05:45
NST Newfoundland Standard Time UTC−03:30
NT Newfoundland Time UTC−03:30
NUT Niue Time UTC−11
NZDT New Zealand Daylight Time UTC+13
NZDST[10] New Zealand Daylight Saving Time UTC+13
NZST New Zealand Standard Time UTC+12
OMST Omsk Time UTC+06
ORAT Oral Time UTC+05
PDT Pacific Daylight Time (North America) UTC−07
PET Peru Time UTC−05
PETT Kamchatka Time UTC+12
PGT Papua New Guinea Time UTC+10
PHOT Phoenix Island Time UTC+13
PHT Philippine Time UTC+08
PHST Philippine Standard Time UTC+08
PKT Pakistan Standard Time UTC+05
PMDT Saint Pierre and Miquelon Daylight Time UTC−02
PMST Saint Pierre and Miquelon Standard Time UTC−03
PONT Pohnpei Standard Time UTC+11
PST Pacific Standard Time (North America) UTC−08
PT (PST/PDT) Pacific Time (North America) UTC−08 / UTC−07
PWT Palau Time[11] UTC+09
PYST Paraguay Summer Time[12] UTC−03
PYT Paraguay Time[13] UTC−04
RET Réunion Time UTC+04
ROTT Rothera Research Station Time UTC−03
SAKT Sakhalin Island Time UTC+11
SAMT Samara Time UTC+04
SAST South African Standard Time UTC+02
SBT Solomon Islands Time UTC+11
SCT Seychelles Time UTC+04
SDT Samoa Daylight Time UTC−10
SGT Singapore Time UTC+08
SLST Sri Lanka Standard Time UTC+05:30
SRET Srednekolymsk Time UTC+11
SRT Suriname Time UTC−03
SST Samoa Standard Time UTC−11
SYOT Showa Station Time UTC+03
TAHT Tahiti Time UTC−10
THA Thailand Standard Time UTC+07
TFT French Southern and Antarctic Time[14] UTC+05
TJT Tajikistan Time UTC+05
TKT Tokelau Time UTC+13
TLT Timor Leste Time UTC+09
TMT Turkmenistan Time UTC+05
TRT Turkey Time UTC+03
TOT Tonga Time UTC+13
TST Taiwan Standard Time UTC+08
TVT Tuvalu Time UTC+12
ULAST Ulaanbaatar Summer Time UTC+09
ULAT Ulaanbaatar Standard Time UTC+08
UTC Coordinated Universal Time UTC+00
UYST Uruguay Summer Time UTC−02
UYT Uruguay Standard Time UTC−03
UZT Uzbekistan Time UTC+05
VET Venezuelan Standard Time UTC−04
VLAT Vladivostok Time UTC+10
VOLT Volgograd Time UTC+03
VOST Vostok Station Time UTC+06
VUT Vanuatu Time UTC+11
WAKT Wake Island Time UTC+12
WAST West Africa Summer Time UTC+02
WAT West Africa Time UTC+01
WEST Western European Summer Time UTC+01
WET Western European Time UTC+00
WIB Western Indonesian Time UTC+07
WIT Eastern Indonesian Time UTC+09
WITA Central Indonesia Time UTC+08
WGST West Greenland Summer Time[15] UTC−02
WGT West Greenland Time[16] UTC−03
WST Western Standard Time UTC+08
YAKT Yakutsk Time UTC+09
YEKT Yekaterinburg Time UTC+05
Source:[17]

See also

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References

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  1. ^ "ALMT – Alma-Ata Time (Time Zone Abbreviation)". www.timeanddate.com. Retrieved 2019-03-04.
  2. ^ "AMST – Amazon Summer Time". Time and Date AS. Retrieved 2013-08-18.
  3. ^ "AMT – Amazon Time". Time and Date AS. Retrieved 2013-08-18.
  4. ^ "ANAT – Anadyr Time (Time Zone Abbreviation)". www.timeanddate.com. Retrieved 2019-03-03.
  5. ^ "AQTT – Aqtobe Time (Time Zone Abbreviation)". www.timeanddate.com. Retrieved 2019-03-04.
  6. ^ "Time Change in Papua New Guinea, 28 December 2014". TimeandDate.com. Retrieved 27 April 2015.
  7. ^ "CDT – Cuba Daylight Time". Time and Date AS. Retrieved 2012-10-28.
  8. ^ Standard Time Act 1968, s. 1: Standard time (No. 23 of 1968, s. 1). Enacted on 15 July 1968. Act of the Oireachtas. Retrieved from Irish Statute Book.
  9. ^ "NOVT – Novosibirsk Time (Time Zone Abbreviation)". www.timeanddate.com. Retrieved 2019-03-04.
  10. ^ "World Times". Retrieved 29 October 2024. During the southern summer, New Zealand has Daylight Saving Time (NZDST) which is defined as UTC + 13 hours.
  11. ^ "PWT – Palau Time (Standard Time)". Time and Date AS. Retrieved 2021-01-26.
  12. ^ "PYST – Paraguay Summer Time". Time and Date AS. Retrieved 2013-08-18.
  13. ^ "PYT – Paraguay Time". Time and Date AS. Retrieved 2013-08-18.
  14. ^ "TFT – French Southern and Antarctic Time (Time Zone Abbreviation)". www.timeanddate.com. Retrieved 2019-01-02.
  15. ^ "WGST – West Greenland Summer Time (Time Zone Abbreviation)". www.timeanddate.com. Retrieved 2019-02-07.
  16. ^ "WGT – West Greenland Time (Time Zone Abbreviation)". www.timeanddate.com. Retrieved 2019-02-07.
  17. ^ "Time Zone Abbreviations - Worldwide List". timeanddate.com. Retrieved 2021-01-08.

Notes

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  1. ^ AIX OS uses this abbreviation as an equivalent of CET
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