GMT Time Now — Greenwich Mean Time
The current GMT time (Greenwich Mean Time, UTC +00:00) is shown below. GMT is the local mean time at the Royal Observatory in Greenwich, London.
GMT — UTC +00:00
Thursday, 22 October 2026 GMT
Where GMT is used
In 2026, 22 zones in the tz database show GMT : 16 all year and 6 only part of the year . The all-year zones are the ones that don't observe daylight saving: Côte d’Ivoire, Ghana, Mali, Gambia, Guinea-Bissau, Guinea, Senegal, Sierra Leone.
| Zone | Country | January | July |
|---|---|---|---|
| Africa/Abidjan | Côte d’Ivoire | GMT +00:00 | GMT +00:00 |
| Africa/Accra | Ghana | GMT +00:00 | GMT +00:00 |
| Africa/Bamako | Mali | GMT +00:00 | GMT +00:00 |
| Africa/Banjul | Gambia | GMT +00:00 | GMT +00:00 |
| Africa/Bissau | Guinea-Bissau | GMT +00:00 | GMT +00:00 |
| Africa/Conakry | Guinea | GMT +00:00 | GMT +00:00 |
| Africa/Dakar | Senegal | GMT +00:00 | GMT +00:00 |
| Africa/Freetown | Sierra Leone | GMT +00:00 | GMT +00:00 |
| Africa/Lome | Togo | GMT +00:00 | GMT +00:00 |
| Africa/Monrovia | Liberia | GMT +00:00 | GMT +00:00 |
| Africa/Nouakchott | Mauritania | GMT +00:00 | GMT +00:00 |
| Africa/Ouagadougou | Burkina Faso | GMT +00:00 | GMT +00:00 |
| Africa/Sao Tome | São Tomé & Príncipe | GMT +00:00 | GMT +00:00 |
| America/Danmarkshavn | Greenland | GMT +00:00 | GMT +00:00 |
| Antarctica/Troll | Antarctica | GMT +00:00 | GMT+2 +02:00 |
| Atlantic/Reykjavik | Iceland | GMT +00:00 | GMT +00:00 |
| Atlantic/St Helena | St. Helena | GMT +00:00 | GMT +00:00 |
| Europe/Dublin | Ireland | GMT +00:00 | GMT+1 +01:00 |
| Europe/Guernsey | Guernsey | GMT +00:00 | GMT+1 +01:00 |
| Europe/Isle of Man | Isle of Man | GMT +00:00 | GMT+1 +01:00 |
| Europe/Jersey | Jersey | GMT +00:00 | GMT+1 +01:00 |
| Europe/London | United Kingdom | GMT +00:00 | BST +01:00 |
About GMT
Offset & DST
UTC offset: +00:00
Daylight saving: Not observed
Representative IANA zone: Etc/GMT
IANA zones at GMT
Etc/GMT
Converting GMT to other time zones
GMT is fixed at UTC +00:00 — written +0000 in email headers and +00:00 in ISO 8601 timestamps. The table below uses each abbreviation's own fixed offset; for a specific place, check its city page, since local clocks switch between standard and daylight abbreviations.
| Zone | Difference | When it's 12:00 GMT | Converter |
|---|---|---|---|
| PST Pacific Standard Time | −8 h | 04:00 | Hour by hour → |
| MST Mountain Standard Time | −7 h | 05:00 | Hour by hour → |
| CST Central Standard Time | −6 h | 06:00 | Hour by hour → |
| EST Eastern Standard Time | −5 h | 07:00 | Hour by hour → |
| BRT Brasília Time | −3 h | 09:00 | Hour by hour → |
| BST British Summer Time | +1 h | 13:00 | Hour by hour → |
| CET Central European Time | +1 h | 13:00 | Hour by hour → |
| EET Eastern European Time | +2 h | 14:00 | Hour by hour → |
| MSK Moscow Standard Time | +3 h | 15:00 | Hour by hour → |
| GST Gulf Standard Time | +4 h | 16:00 | Hour by hour → |
| IST India Standard Time | +5:30 h | 17:30 | Hour by hour → |
| CST China Standard Time | +8 h | 20:00 | Hour by hour → |
| JST Japan Standard Time | +9 h | 21:00 | Hour by hour → |
| AEST Australian Eastern Standard Time | +10 h | 22:00 | Hour by hour → |
Other zones at UTC +00:00
GMT questions
- What is GMT in UTC?
- GMT (Greenwich Mean Time) is UTC +00:00. In ISO 8601 timestamps it is written +00:00, in email and HTTP headers +0000.
- Which countries use GMT?
- In 2026, zones showing GMT are found in Antarctica, Burkina Faso, Côte d’Ivoire, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Jersey, Liberia, Mali, Mauritania, Senegal, Sierra Leone, St. Helena, São Tomé & Príncipe and 2 more.
More tools for GMT
Look up the exact IANA zone behind GMT, see it on the offset map, or compare it against other cities.