Greenwich Mean Time (GMT) to Local Time Converter
Pick a time below. Each page shows that GMT time in your own time zone, worked out by your browser.
Greenwich Mean Time (GMT): what you need to know
Greenwich Mean Time is UTC+00:00 all year. It is used in London in winter, Dublin, Reykjavík, Accra.
Daylight saving time in 2026
On Sunday, March 29, 2026 at 1:00 AM, clocks go forward 1 hour to 2:00 AM. The offset changes from UTC+00:00 to UTC+01:00.
On Sunday, October 25, 2026 at 2:00 AM, clocks go back 1 hour to 1:00 AM. The offset changes from UTC+01:00 to UTC+00:00.
GMT applies while the offset is UTC+00:00.
GMT conversion chart
| GMT | UTC | In your time zone |
|---|---|---|
| 12:00 AM | 12:00 AM | … |
| 1:00 AM | 1:00 AM | … |
| 2:00 AM | 2:00 AM | … |
| 3:00 AM | 3:00 AM | … |
| 4:00 AM | 4:00 AM | … |
| 5:00 AM | 5:00 AM | … |
| 6:00 AM | 6:00 AM | … |
| 7:00 AM | 7:00 AM | … |
| 8:00 AM | 8:00 AM | … |
| 9:00 AM | 9:00 AM | … |
| 10:00 AM | 10:00 AM | … |
| 11:00 AM | 11:00 AM | … |
| 12:00 PM | 12:00 PM | … |
| 1:00 PM | 1:00 PM | … |
| 2:00 PM | 2:00 PM | … |
| 3:00 PM | 3:00 PM | … |
| 4:00 PM | 4:00 PM | … |
| 5:00 PM | 5:00 PM | … |
| 6:00 PM | 6:00 PM | … |
| 7:00 PM | 7:00 PM | … |
| 8:00 PM | 8:00 PM | … |
| 9:00 PM | 9:00 PM | … |
| 10:00 PM | 10:00 PM | … |
| 11:00 PM | 11:00 PM | … |
Questions about Greenwich Mean Time
What is the UTC offset of Greenwich Mean Time?
Greenwich Mean Time (GMT) is UTC+00:00 all year.
Where do people use GMT?
GMT covers London in winter, Dublin, Reykjavík, Accra.
What is 9 AM GMT in UTC?
9:00 AM GMT is 9:00 AM UTC.
Convert a time in GMT
- 12:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 1:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 2:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 3:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 4:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 5:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 6:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 7:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 8:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 9:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 10:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 11:00 AM Greenwich Mean Time (GMT) in Your Local Time
- 12:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 1:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 2:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 3:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 4:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 5:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 6:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 7:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 8:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 9:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 10:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 11:00 PM Greenwich Mean Time (GMT) in Your Local Time
- 0:00 Greenwich Mean Time (GMT) in Your Local Time
- 1:00 Greenwich Mean Time (GMT) in Your Local Time
- 2:00 Greenwich Mean Time (GMT) in Your Local Time
- 3:00 Greenwich Mean Time (GMT) in Your Local Time
- 4:00 Greenwich Mean Time (GMT) in Your Local Time
- 5:00 Greenwich Mean Time (GMT) in Your Local Time
- 6:00 Greenwich Mean Time (GMT) in Your Local Time
- 7:00 Greenwich Mean Time (GMT) in Your Local Time
- 8:00 Greenwich Mean Time (GMT) in Your Local Time
- 9:00 Greenwich Mean Time (GMT) in Your Local Time
- 10:00 Greenwich Mean Time (GMT) in Your Local Time
- 11:00 Greenwich Mean Time (GMT) in Your Local Time
- 12:00 Greenwich Mean Time (GMT) in Your Local Time
- 13:00 Greenwich Mean Time (GMT) in Your Local Time
- 14:00 Greenwich Mean Time (GMT) in Your Local Time
- 15:00 Greenwich Mean Time (GMT) in Your Local Time
- 16:00 Greenwich Mean Time (GMT) in Your Local Time
- 17:00 Greenwich Mean Time (GMT) in Your Local Time
- 18:00 Greenwich Mean Time (GMT) in Your Local Time
- 19:00 Greenwich Mean Time (GMT) in Your Local Time
- 20:00 Greenwich Mean Time (GMT) in Your Local Time
- 21:00 Greenwich Mean Time (GMT) in Your Local Time
- 22:00 Greenwich Mean Time (GMT) in Your Local Time
- 23:00 Greenwich Mean Time (GMT) in Your Local Time