IANA Time Zones Reference
IANA time zone identifiers with UTC offsets and descriptions for 40 common time zones worldwide.
Last updated: 2026-08-28
| zone | offset | description |
|---|---|---|
| UTC | +00:00 | Coordinated Universal Time |
| Europe/London | +00:00 | Greenwich Mean Time (GMT) |
| Europe/Lisbon | +00:00 | Western European Time |
| Europe/Paris | +01:00 | Central European Time (CET) |
| Europe/Berlin | +01:00 | Central European Time (CET) |
| Europe/Madrid | +01:00 | Central European Time (CET) |
| Europe/Rome | +01:00 | Central European Time (CET) |
| Europe/Amsterdam | +01:00 | Central European Time (CET) |
| Europe/Brussels | +01:00 | Central European Time (CET) |
| Europe/Vienna | +01:00 | Central European Time (CET) |
| Europe/Zurich | +01:00 | Central European Time (CET) |
| Europe/Stockholm | +01:00 | Central European Time (CET) |
| Europe/Warsaw | +01:00 | Central European Time (CET) |
| Europe/Athens | +02:00 | Eastern European Time (EET) |
| Europe/Helsinki | +02:00 | Eastern European Time (EET) |
| Europe/Istanbul | +03:00 | Turkey Time (TRT) |
| Europe/Moscow | +03:00 | Moscow Standard Time (MSK) |
| Europe/Kyiv | +02:00 | Eastern European Time (EET) |
| America/New_York | -05:00 | Eastern Standard Time (EST) |
| America/Toronto | -05:00 | Eastern Standard Time (Canada) |
| America/Chicago | -06:00 | Central Standard Time (CST) |
| America/Mexico_City | -06:00 | Central Time (Mexico) |
| America/Denver | -07:00 | Mountain Standard Time (MST) |
| America/Los_Angeles | -08:00 | Pacific Standard Time (PST) |
| America/Vancouver | -08:00 | Pacific Standard Time (Canada) |
| America/Anchorage | -09:00 | Alaska Standard Time (AKST) |
| America/Sao_Paulo | -03:00 | Brasilia Time (BRT) |
| America/Argentina/Buenos_Aires | -03:00 | Argentina Standard Time (ART) |
| America/Bogota | -05:00 | Colombia Time (COT) |
| America/Lima | -05:00 | Peru Time (PET) |
| Pacific/Honolulu | -10:00 | Hawaii Standard Time (HST) |
| Pacific/Auckland | +12:00 | New Zealand Time (NZT) |
| Asia/Tokyo | +09:00 | Japan Standard Time (JST) |
| Asia/Seoul | +09:00 | Korean Standard Time (KST) |
| Asia/Shanghai | +08:00 | China Standard Time (CST) |
| Asia/Hong_Kong | +08:00 | Hong Kong Time (HKT) |
| Asia/Taipei | +08:00 | Taipei Standard Time (TST) |
| Asia/Singapore | +08:00 | Singapore Standard Time (SGT) |
| Asia/Manila | +08:00 | Philippine Standard Time (PHT) |
| Asia/Kolkata | +05:30 | India Standard Time (IST) |
| Asia/Karachi | +05:00 | Pakistan Standard Time (PKT) |
| Asia/Bangkok | +07:00 | Indochina Time (ICT) |
| Asia/Jakarta | +07:00 | Western Indonesia Time (WIB) |
| Asia/Dubai | +04:00 | Gulf Standard Time (GST) |
| Asia/Tehran | +03:30 | Iran Standard Time (IRST) |
| Asia/Jerusalem | +02:00 | Israel Standard Time (IST) |
| Australia/Sydney | +10:00 | Australian Eastern Time (AET) |
| Australia/Perth | +08:00 | Australian Western Time (AWT) |
| Africa/Cairo | +02:00 | Egypt Standard Time (EET) |
| Africa/Johannesburg | +02:00 | South Africa Time (SAST) |
| Africa/Lagos | +01:00 | West Africa Time (WAT) |
| Africa/Nairobi | +03:00 | East Africa Time (EAT) |