GMT time now
Greenwich Mean TimeUTC
London is not on GMT right now (it is on BST), but other places are.
GMT in other time zones, now
Observatory log
GMT, observed
- 01Stands for
Greenwich Mean Time
UTC ·
Europe/London- 02When it is used
GMT is the standard (winter) time of London; in summer the clocks switch to BST.
Nextin use in London from 25 October 2026 to 28 March 2027
Thenin use in London from 31 October 2027
- 03In use right now
In 5 time zones
Abidjan, Monrovia, Bissau, São Tomé, Ittoqqortoormiit
Part of the next 12 months: London, Dublin.
All year: Abidjan, Monrovia, Bissau, São Tomé, Ittoqqortoormiit.
Meanings
What GMT means
GMT stands for Greenwich Mean Time. When you schedule across zones, a city name is clearer than an abbreviation.
- Greenwich Mean TimeUTCthis page
Questions
Asked about GMT
What is GMT?
GMT stands for Greenwich Mean Time, which is UTC. The clock at the top of this page shows the current GMT time, live.
Is GMT in use right now?
London is not on GMT right now (it is on BST), but other places are. GMT is the standard (winter) time of London; in summer the clocks switch to BST.
Is it GMT or BST now?
London is on BST now; it returns to GMT on 25 October 2026.