| Pacific | Dateline Standard Time | — | −12 |
| UTC-11 | — | −11 |
| Hawaiian Standard Time | HST | −10 |
| Alaskan Standard Time | AKST | −09 |
| Pacific Standard Time | PST | −08 |
| (Mexico) Pacific Standard Time | PST (Mex) | −08 |
| North America | US Mountain Standard Time | MST (US) | −07 |
| Mountain Standard Time | MST | −07 |
| (Mexico) Mountain Standard Time | MST (Mex) | −07 |
| Central America Standard Time | CST (CA) | −06 |
| Central Standard Time | CST | −06 |
| (Mexico) Central Standard Time | CST (Mex) | −06 |
| Canada Central Standard Time | CST (Canada) | −06 |
| SA Pacific Standard Time | COT | −05 |
| Eastern Standard Time | EST | −05 |
| US Eastern Standard Time | EST (US) | −05 |
| Eastern Standard Time (Mexico) | EST (Mex) | −05 |
| Haiti Standard Time | EST (Haiti) | −05 |
| Cuba Standard Time | CST (Cuba) | −05 |
| South America | Venezuela Standard Time | VET | −04 |
| Paraguay Standard Time | PYST | −04 |
| Atlantic Standard Time | AST | −04 |
| Central Brazilian Standard Time | AMT | −04 |
| SA Western Standard Time | BOT | −04 |
| Pacific SA Standard Time | CLT | −04 |
| Newfoundland Standard Time | NST | −03:30 |
| E. South America Standard Time | BRT | −03 |
| Argentina Standard Time | ART | −03 |
| SA Eastern Standard Time | GYT | −03 |
| Greenland Standard Time | WGT | −03 |
| Montevideo Standard Time | UYT | −03 |
| Bahia Standard Time | BRT (Bahia) | −03 |
| Magallanes Standard Time | CLT (Chile) | −03 |
| Atlantic | UTC-02 | — | −02 |
| Mid-Atlantic Standard Time | — | −02 |
| Azores Standard Time | AZOT | −01 |
| Cape Verde Standard Time | CVT | −01 |
| Morocco Standard Time | WET (MA) | −01 |
| UTC | UTC | ±00 |
| GMT Standard Time | GMT | ±00 |
| Greenwich Standard Time | GMT | ±00 |
| Europe | W. Europe Standard Time | CET | +01 |
| Central Europe Standard Time | CET | +01 |
| Romance Standard Time | CET/CEST | +01 |
| Central European Standard Time | CET | +01 |
| Africa | W. Central Africa Standard Time | WAT | +01 |
| Namibia Standard Time | CAT | +01 |
| Middle East | Jordan Standard Time | EET (JO) | +02 |
| Europe | GTB Standard Time | EET | +02 |
| Middle East | Middle East Standard Time | EET (ME) | +02 |
| Africa | Egypt Standard Time | EET | +02 |
| Middle East | Syria Standard Time | EET (SY) | +02 |
| Africa | South Africa Standard Time | SAST | +02 |
| Europe | FLE Standard Time | EET | +02 |
| Turkey Standard Time | TRT | +02 |
| Israel Standard Time | IST (IL) | +02 |
| Kaliningrad Standard Time | EET (RU-KGD) | +02 |
| Libya Standard Time | EET (LY) | +02 |
| Middle East | Arabic Standard Time | AST (Arab) | +03 |
| Arab Standard Time | AST (SA) | +03 |
| Europe | Belarus Standard Time | MSK (BY) | +03 |
| Russian Standard Time | MSK | +03 |
| Africa | E. Africa Standard Time | EAT | +03 |
| Middle East | Iran Standard Time | IRST | +03:30 |
| Arabian Standard Time | GST (Gulf) | +04 |
| Azerbaijan Standard Time | AZT | +04 |
| Russia Time Zone 3 | SAMT | +04 |
| Africa | Mauritius Standard Time | MUT | +04 |
| Europe | Georgian Standard Time | GET | +04 |
| Caucasus Standard Time | AMT (AM) | +04 |
| Asia | Afghanistan Standard Time | AFT | +04:30 |
| West Asia Standard Time | PKT/TJT | +05 |
| Ekaterinburg Standard Time | YEKT | +05 |
| Pakistan Standard Time | PKT | +05 |
| India Standard Time | IST | +05:30 |
| Sri Lanka Standard Time | SLST | +05:30 |
| Nepal Standard Time | NPT | +05:45 |
| Central Asia Standard Time | ALMT | +06 |
| Bangladesh Standard Time | BST (BD) | +06 |
| N. Central Asia Standard Time | OMST | +06 |
| Myanmar Standard Time | MMT | +06:30 |
| SE Asia Standard Time | ICT | +07 |
| North Asia Standard Time | KRAT | +07 |
| China Standard Time | CST (CN) | +08 |
| North Asia East Standard Time | IRKT | +08 |
| Singapore Standard Time | SGT | +08 |
| W. Australia Standard Time | AWST | +08 |
| Taipei Standard Time | CST (TW) | +08 |
| Ulaanbaatar Standard Time | ULAT | +08 |
| Tokyo Standard Time | JST | +09 |
| Korea Standard Time | KST | +09 |
| Yakutsk Standard Time | YAKT | +09 |
| Australia | Cen. Australia Standard Time | ACST | +09:30 |
| AUS Central Standard Time | ACST | +09:30 |
| E. Australia Standard Time | AEST | +10 |
| AUS Eastern Standard Time | AEST | +10 |
| Tasmania Standard Time | AEST/TAST | +10 |
| Oceania | West Pacific Standard Time | PWT | +10 |
| Magadan Standard Time | MAGT | +11 |
| Vladivostok Standard Time | VLAT | +11 |
| Russia Time Zone 10 | SRET | +11 |
| Central Pacific Standard Time | PONT | +11 |
| Russia Time Zone 11 | PETT | +11 |
| New Zealand Standard Time | NZST | +12 |
| UTC+12 | — | +12 |
| Fiji Standard Time | FJT | +12 |
| Tonga Standard Time | TOT | +13 |
| Samoa Standard Time | WST/SST | +13 |
| Line Islands Standard Time | LINT | +14 |