| Abbreviation | Description | Central | LiveMeeting | Windows |
|---|---|---|---|---|
| ET | (UTC-05:00) Eastern Time (US & Canada) | US/Eastern | America/New York | Eastern Standard Time |
| ET | (UTC-05:00) Eastern Time (US & Canada) | US/Eastern | America/New York | Eastern Standard Time |
| CT | (UTC-06:00) Central Time (US & Canada) | US/Central | America/Chicago | Central Standard Time |
| MT | (UTC-07:00) Mountain Time (US & Canada) | US/Mountain | America/Denver | Mountain Standard Time |
| PT | (UTC-08:00) Pacific Time (US & Canada) | US/Pacific | America/Los Angeles | Pacific Standard Time |
| AK | (UTC-09:00) Alaska | America/Anchorage | America/Anchorage | Alaskan Standard Time |
| HAST | (UTC-10:00) Hawaii | Pacific/Honolulu | Pacific/Honolulu | Hawaiian Standard Time |
| MST | (UTC-07:00) Arizona | US/Arizona | America/Phoenix | Mountain Standard Time |
| AST | (UTC-04:00) Atlantic Time (Canada) | Canada/Atlantic | America/Aruba | Atlantic Standard Time |
| MOST | (UTC) Casablanca | Africa/Casablanca | Africa/Casablanca | Morocco Standard Time |
| UTC | (UTC) Coordinated Universal Time | UTC | Etc/GMT+0 | UTC |
| GMT | (UTC) Dublin, Edinburgh, Lisbon, London | Europe/London | Europe/London | GMT Standard Time |
| GST | (UTC) Monrovia, Reykjavik | Africa/Casablanca | Africa/Casablanca | Greenwich Standard Time |
| WET | (UTC+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna | Europe/Amsterdam | Europe/Amsterdam | West Europe Standard Time |
| CET | (UTC+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague | Europe/Belgrade | Europe/Belgrade | Central Europe Standard Time |
| RST | (UTC+01:00) Brussels, Copenhagen, Madrid, Paris | Europe/Brussels | Europe/Copenhagen | Romance Standard Time |
| CEST | (UTC+01:00) Sarajevo, Skopje, Warsaw, Zagreb | Europe/Sarajevo | Europe/Sarajevo | Central European Standard Time |
| ECT | (UTC+01:00) West Central Africa | Africa/Brazzaville | Africa/Douala | W. Central Africa Standard Time |
| JST | (UTC+02:00) Amman | Europe/Athens | Europe/Bucharest | Jordan Standard Time |
| GTBST | (UTC+02:00) Athens, Bucharest, Istanbul | Europe/Athens | Europe/Bucharest | GTB Standard Time |
| MEST | MEST (UTC+02:00) Beirut | Africa/Cairo | Africa/Cairo | Middle East Standard Time |
| EGST | EGST (UTC+02:00) Cairo | Africa/Cairo | Africa/Cairo | Egypt Standard Time |
| SST | (UTC+02:00) Damascus | Africa/Cairo | Africa/Cairo | Syria Standard Time |
| SAST | (UTC+02:00) Harare, Pretoria | Africa/Harare | Africa/Harare | South Africa Standard Time |
| EET | (UTC+02:00) Helsinki, Kyiv, Riga, Sofia, Tallinn, Vilnius | Europe/Helsinki | Europe/Helsinki | FLE Standard Time |
| ISST | (UTC+02:00) Jerusalem | Asia/Jerusalem | Asia/Jerusalem | Israel Standard Time |
| EEST | (UTC+02:00) Minsk | Asia/Jerusalem | Asia/Jerusalem | E. Europe Standard Time |
| NMST | (UTC+02:00) Windhoek | Asia/Jerusalem | Asia/Jerusalem | Namibia Standard Time |
| ARST | (UTC+03:00) Baghdad | Asia/Baghdad | Asia/Baghdad | Arabic Standard Time |
| ABST | (UTC+03:00) Kuwait, Riyadh | Asia/Kuwait | Asia/Kuwait | Arab Standard Time |
| MSK | (UTC+03:00) Moscow, St. Petersburg, Volgograd | Europe/Moscow | Europe/Moscow | Russian Standard Time |
| EAT | (UTC+03:00) Nairobi | Asia/Kuwait | Asia/Kuwait | E. Africa Standard Time |
| IRST | (UTC+03:30) Tehran | Asia/Tehran | Asia/Tehran | Iran Standard Time |
| ARBST | (UTC+04:00) Abu Dhabi, Muscat | Asia/Muscat | Asia/Muscat | Arabian Standard Time |
| AZT | (UTC+04:00) Baku | Asia/Baku | Asia/Baku | Azerbaijan Standard Time |
| MUT | (UTC+04:00) Port Louis | Asia/Baku | Asia/Baku | Mauritius Standard Time |
| GET | (UTC+04:00) Tbilisi | Asia/Baku | Asia/Baku | Georgian Standard Time |
| AMT | (UTC+04:00) Yerevan | Asia/Baku | Asia/Baku | Caucasus Standard Time |
| AFT | (UTC+04:30) Kabul | Asia/Baku | Asia/Baku | Afghanistan Standard Time |
| YEKT | (UTC+05:00) Ekaterinburg | Asia/Tashkent | Asia/Yekaterinburg | Ekaterinburg Standard Time |
| PKT | (UTC+05:00) Islamabad, Karachi | Asia/Tashkent | Asia/Karachi | Pakistan Standard Time |
| WAST | (UTC+05:00) Tashkent | Asia/Tashkent | Asia/Yekaterinburg | West Asia Standard Time |
| IST | (UTC+05:30) Chennai, Kolkata, Mumbai, New Delhi | Asia/Calcutta | Asia/Calcutta | India Standard Time |
| SLT | (UTC+05:30) Sri Jayawardenepura | Asia/Calcutta | Asia/Calcutta | Sri Lanka Standard Time |
| NPT | (UTC+05:45) Kathmandu | Asia/Katmandu | Asia/Katmandu | Nepal Standard Time |
| BTT | (UTC+06:00) Astana | Asia/Dhaka | Asia/Dhaka | Central Asia Standard Time |
| BST | (UTC+06:00) Dhaka | Asia/Dhaka | Asia/Dhaka | Bangladesh Standard Time |
| NCAST | (UTC+06:00) Novosibirsk | Asia/Almaty | Asia/Dhaka | N. Central Asia Standard Time |
| MYST | (UTC+06:30) Yangon (Rangoon) | Asia/Rangoon | Asia/Rangoon | Myanmar Standard Time |
| THA | (UTC+07:00) Bangkok, Hanoi, Jakarta | Asia/Bangkok | Asia/Bangkok | SE Asia Standard Time |
| KRAT | (UTC+07:00) Krasnoyarsk | Asia/Bangkok | Asia/Bangkok | North Asia Standard Time |
| (UTC+08:00) Beijing, Chongqing, Hong Kong, Urumqi | Asia/Hong Kong | Asia/Hong Kong | China Standard Time | |
| IRKT | (UTC+08:00) Irkutsk | Asia/Irkutsk | Asia/Irkutsk | North Asia East Standard Time |
| SNST | (UTC+08:00) Kuala Lumpur, Singapore | Asia/Singapore | Asia/Taipei | Singapore Standard Time |
| AWST | (UTC+08:00) Perth | Australia/Perth | Australia/Perth | W. Australia Standard Time |
| TIST | (UTC+08:00) Taipei | Asia/Taipei | Asia/Taipei | Taipei Standard Time |
| UST | (UTC+08:00) Ulaanbaatar | Asia/Taipei | Asia/Taipei | Ulaanbaatar Standard Time |
| TST | (UTC+09:00) Osaka, Sapporo, Tokyo | Asia/Tokyo | Asia/Tokyo | Tokyo Standard Time |
| KST | (UTC+09:00) Seoul | Asia/Seoul | Asia/Seoul | Korea Standard Time |
| YAKT | (UTC+09:00) Yakutsk | Asia/Yakutsk | Asia/Yakutsk | Yakutsk Standard Time |
| CAUST | (UTC+09:30) Adelaide | Australia/Adelaide | Australia/Adelaide | Cen. Australia Standard Time |
| ACST | (UTC+09:30) Darwin | Australia/Darwin | Australia/Darwin | AUS Central Standard Time |
| EAST | (UTC+10:00) Brisbane | Australia/Brisbane | Australia/Brisbane | E. Australia Standard Time |
| AEST | (UTC+10:00) Canberra, Melbourne, Sydney | Australia/Sydney | Australia/Sydney | AUS Eastern Standard Time |
| WPST | (UTC+10:00) Guam, Port Moresby | Pacific/Guam | Pacific/Guam | West Pacific Standard Time |
| TAST | (UTC+10:00) Hobart | Australia/Hobart | Australia/Hobart | Tasmania Standard Time |
| VLAT | (UTC+10:00) Vladivostok | Asia/Vladivostok | Asia/Vladivostok | Vladivostok Standard Time |
| SBT | (UTC+11:00) Magadan, Solomon Is., New Caledonia | Pacific/Guadalcanal | Pacific/Guadalcanal | Central Pacific Standard Time |
| NZST | (UTC+12:00) Auckland, Wellington | Pacific/Auckland | Pacific/Auckland | New Zealand Standard Time |
| UTC12 | (UTC+12:00) Coordinated Universal Time+12 | Etc/GMT-12 | Etc/GMT-12 | UTC+12 |
| FJT | (UTC+12:00) Fiji | Pacific/Fiji | Pacific/Fiji | Fiji Standard Time |
| PETT | (UTC+12:00) Petropavlovsk-Kamchatsky – Old | Asia/Kamchatka | Etc/GMT+12 | Kamchatka Standard Time |
| PHOT | (UTC+13:00) Nuku’alofa | Pacific/Tongatapu | Pacific/Tongatapu | Tonga Standard Time |
| AZOST | (UTC-01:00) Azores | Atlantic/Azores | Atlantic/Azores | Azores Standard Time |
| CVT | (UTC-01:00) Cape Verde Is. | Atlantic/Cape Verde | Atlantic/Cape Verde | Cape Verde Standard Time |
| ESAST | (UTC-03:00) Brasilia America/Sao_Paulo | America/Sao_Paulo | America/Sao_Paulo | E. South America Standard Time |
| ART | (UTC-03:00) Buenos Aires | America/Buenos Aires | America/Buenos Aires | Argentina Standard Time |
| SAEST | (UTC-03:00) Cayenne, Fortaleza | SA Eastern Standard Time | SA Eastern Standard Time | SA Eastern Standard Time |
| GNST | (UTC-03:00) Greenland | America/Godthab | America/Godthab | Greenland Standard Time |
| MVST | (UTC-03:00) Montevideo | America/Godthab | America/Montevideo | Montevideo Standard Time |
| NST | (UTC-03:30) Newfoundland | Canada/Newfoundland | Canada/Newfoundland | Newfoundland Standard Time |
| PRST | (UTC-04:00) Asuncion | Canada/Atlantic | America/Aruba | Paraguay Standard Time |
| CBST | (UTC-04:00) Cuiaba | Canada/Atlantic | America/Aruba | Central Brazilian Standard Time |
| SAWST | (UTC-04:00) Georgetown, La Paz, Manaus, San Juan | America/Santiago | America/Santiago | SA Western Standard Time |
| PSAST | (UTC-04:00) Santiago | America/Santiago | America/Santiago | Pacific SA Standard Time |
| VST | (UTC-04:30) Caracas | America/Caracas | America/Caracas | Venezuela Standard Time |
| SAPST | (UTC-05:00) Bogota, Lima, Quito | America/Bogota | America/Bogota | SA Pacific Standard Time |
| EST | (UTC-05:00) Indiana (East) | US/East-Indiana | America/Halifax | US Eastern Standard Time |
| CAST | (UTC-06:00) Central America | America/El_Salvador | America/Mexico_City | Central America Standard Time |
| CST | (UTC-06:00) Guadalajara, Mexico City, Monterrey | America/Mexico_City | America/Mexico_City | Central Standard Time (Mexico) |
| CCST | (UTC-06:00) Saskatchewan | Canada/Saskatchewan | Canada/Saskatchewan | Canada Central Standard Time |
| MSTM | (UTC-07:00) Chihuahua, La Paz, Mazatlan | America/Chihuahua | America/Mazatlan | Mountain Standard Time (Mexico) |
| PST | (UTC-08:00) Baja California | US/Pacific | America/Los Angeles | Pacific Standard Time (Mexico) |
| SMST | (UTC-11:00) Samoa | Pacific/Midway | Pacific/Midway | Samoa Standard Time |
| BIT | (UTC-12:00) International Date Line West | Etc/GMT+12 | Etc/GMT+12 | Dateline Standard Time | Abbreviation | Description | Central | LiveMeeting | Windows |
