Greenwich Mean Time
GMT · UTC+1 · Europe/London
Live Time
3:47PM
Sunday, July 19, 2026
UTC Offset
UTC+1
Abbreviation
BST
IANA Identifier
Europe/London
Daylight Saving
Active now
Countries
1 country
Major Cities
London
Countries Using GMT
🇬🇧
United Kingdom
Europe · Europe/London
Major Cities on GMT
Hourly Conversion (GMT → other zones)
| GMT (UTC+1) | UTC | New York | Tokyo |
|---|---|---|---|
| 12:00 AM | 11:00 PM | 7:00 PM | 8:00 AM |
| 3:00 AM | 2:00 AM | 10:00 PM | 11:00 AM |
| 6:00 AM | 5:00 AM | 1:00 AM | 2:00 PM |
| 9:00 AM | 8:00 AM | 4:00 AM | 5:00 PM |
| 12:00 PM | 11:00 AM | 7:00 AM | 8:00 PM |
| 3:00 PM | 2:00 PM | 10:00 AM | 11:00 PM |
| 6:00 PM | 5:00 PM | 1:00 PM | 2:00 AM |
| 9:00 PM | 8:00 PM | 4:00 PM | 5:00 AM |
Frequently Asked Questions
What is the UTC offset for Greenwich Mean Time?
Greenwich Mean Time is currently at UTC+1 (daylight saving time is active).
What is the IANA identifier for Greenwich Mean Time?
The IANA time zone identifier is Europe/London.
Does Greenwich Mean Time observe daylight saving time?
Yes. Greenwich Mean Time shifts between GMT and BST. It is currently in daylight saving time (BST).