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 | 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 |
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[10] | UTC+09 |
PYST | Paraguay Summer Time[11] | UTC−03 |
PYT | Paraguay Time[12] | 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[13] | 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[14] | UTC−02 |
WGT | West Greenland Time[15] | UTC−03 |
WST | Western Standard Time | UTC+08 |
YAKT | Yakutsk Time | UTC+09 |
YEKT | Yekaterinburg Time | UTC+05 |
Source:[16] |