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