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