What is GMT?
A time standard based on the mean solar time at Greenwich, London.
- Full name
- Greenwich Mean Time
- Abbreviation
- GMT
- Definition type
- Fixed UTC offset
- Offset in minutes
- 0 minutes
Time Zone Guide
Current GMT Time
Greenwich Mean Time
View the current local time, active UTC offset, regions and daylight-saving behavior for Greenwich Mean Time.
Fixed UTC offsetNo automatic DST3 regions
Live local time
GMT · Greenwich Mean Time
Coverage
Where is GMT used?
This definition is associated with the following countries or regions:
United KingdomIcelandWestern Africa
Daylight-saving behavior
Greenwich Mean Time is represented as a fixed offset and does not automatically change for daylight-saving time.
Converters
Popular GMT conversions
Convert GMT to other popular time-zone definitions and fixed offsets.
FAQ
GMT time FAQ
Common questions about Greenwich Mean Time, its UTC offset, regions and daylight-saving behavior.
What is GMT?
GMT stands for Greenwich Mean Time. A time standard based on the mean solar time at Greenwich, London.
What is the current UTC offset for GMT?
The active offset for GMT on this date is UTC+00:00.
Does GMT use daylight saving time?
Greenwich Mean Time is represented on TimeInOne as a fixed offset and does not automatically switch for daylight-saving time.
Where is GMT used?
GMT is associated with United Kingdom, Iceland, Western Africa. Time-zone abbreviations can sometimes be ambiguous, so TimeInOne uses the definition displayed on this page.
Is GMT a fixed time zone?
GMT is defined as a fixed offset of UTC+00:00. Its offset does not change automatically according to the date.