| Abbr. | Name | UTC offset |
|---|
| ACDT | Australian Central Daylight Savings Time | UTC+10:30 |
| ACST | Australian Central Standard Time | UTC+09:30 |
| ACT | Acre Time | UTC−05 |
| ACT | ASEAN Common Time | UTC+06:30 - UTC+09 |
| ADT | Atlantic Daylight Time | UTC−03 |
| AEDT | Australian Eastern Daylight Savings Time | UTC+11 |
| AEST | Australian Eastern Standard Time | UTC+10 |
| AFT | Afghanistan Time | UTC+04:30 |
| AKDT | Alaska Daylight Time | UTC−08 |
| AKST | Alaska Standard Time | UTC−09 |
| AMST | Amazon Summer Time (Brazil)[1] | UTC−03 |
| AMT | Amazon Time (Brazil)[2] | UTC−04 |
| AMT | Armenia Time | UTC+04 |
| 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 |
| BDT | Brunei Time | UTC+08 |
| BIOT | British Indian Ocean Time | UTC+06 |
| BIT | Baker Island Time | UTC−12 |
| BOT | Bolivia Time | UTC−04 |
| BRST | Brasilia Summer Time | UTC−02 |
| BRT | Brasilia Time | UTC−03 |
| BST | Bangladesh Standard Time | UTC+06 |
| BST | Bougainville Standard Time[3] | UTC+11 |
| BST | British Summer Time (British Standard Time from Feb 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[4] | UTC−04 |
| CEST | Central European Summer Time (Cf. HAEC) | 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 |
| CIT | Central Indonesia 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 (North America) | UTC−06 |
| CST | China Standard Time | UTC+08 |
| ACST | Central Standard Time (Australia) | UTC+09:30 |
| ACDT | Central Summer Time (Australia) | UTC+10:30 |
| CST | Cuba Standard Time | UTC−05 |
| CT | China time | UTC+08 |
| 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[5] | 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 |
| AEDT | Eastern Summer Time (Australia) | UTC+11 |
| 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 |
| EIT | Eastern Indonesian Time | UTC+09 |
| EST | Eastern Standard Time (North America) | UTC−05 |
| AEST | Eastern Standard Time (Australia) | UTC+10 |
| 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 | Galapagos Time | UTC−06 |
| GAMT | Gambier Islands | 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 | UTC−02 |
| GST | Gulf Standard Time | UTC+04 |
| GYT | Guyana Time | UTC−04 |
| HADT | Hawaii-Aleutian Daylight Time | UTC−09 |
| HAEC | Heure Avancée d'Europe Centrale francised name for CEST | UTC+02 |
| HAST | Hawaii-Aleutian Standard Time | UTC−10 |
| HKT | Hong Kong Time | UTC+08 |
| HMT | Heard and McDonald Islands Time | UTC+05 |
| HOVST | Khovd Summer Time | UTC+08 |
| HOVT | Khovd Standard Time | UTC+07 |
| ICT | Indochina Time | UTC+07 |
| IDT | Israel Daylight Time | UTC+03 |
| IOT | Indian Ocean Time | UTC+03 |
| 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[6] | UTC+01 |
| IST | Israel Standard Time | UTC+02 |
| JST | Japan Standard Time | UTC+09 |
| 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 | 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 |
| 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 Time | UTC+11 |
| 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 |
| 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 |
| PST | Philippine Standard Time | UTC+08 |
| PYST | Paraguay Summer Time (South America)[7] | UTC−03 |
| PYT | Paraguay Time (South America)[8] | 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 |
| 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 |
| SST | Singapore Standard Time | UTC+08 |
| SYOT | Showa Station Time | UTC+03 |
| TAHT | Tahiti Time | UTC−10 |
| THA | Thailand Standard Time | UTC+07 |
| TFT | Indian/Kerguelen | 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 |
| TVT | Tuvalu Time | UTC+12 |
| ULAST | Ulaanbaatar Summer Time | UTC+09 |
| ULAT | Ulaanbaatar Standard Time | UTC+08 |
| USZ1 | Kaliningrad Time | UTC+02 |
| 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+04 |
| 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 |
| WIT | Western Indonesian Time | UTC+07 |
| WST | Western Standard Time | UTC+08 |
| YAKT | Yakutsk Time | UTC+09 |
| YEKT | Yekaterinburg Time | UTC+05 |