When do the clocks change in the UK and Ireland?
Clocks go back 1 hour
on Sunday, October 25, 2026.
In London that’s at 2 am, to 1 am. Then they go forward 1 hour on Sunday, March 28, 2027.
Next clock changes in London
| Date | Change | Clocks | New time |
|---|---|---|---|
| Sunday, October 25, 2026 | Back 1 hour | 2 am → 1 am | GMT, UTC+0 |
| Sunday, March 28, 2027 | Forward 1 hour | 1 am → 2 am | BST, UTC+1 |
| Sunday, October 31, 2027 | Back 1 hour | 2 am → 1 am | GMT, UTC+0 |
| Sunday, March 26, 2028 | Forward 1 hour | 1 am → 2 am | BST, UTC+1 |
Who changes
Ireland changes at the same moment as the UK, at 1 am GMT, and so does the rest of Europe. Clocks go forward on the last Sunday in March and back on the last Sunday in October.
The UK is on Greenwich Mean Time (GMT) in winter and British Summer Time (BST) in summer.
How the gap to other places moves
London and New York
London is 5 hours ahead of New York most of the year. From Sunday, October 25 to Sunday, November 1, 2026 (1 week), London is 4 hours ahead of New York. From Sunday, March 14 to Sunday, March 28, 2027 (2 weeks), London is 4 hours ahead of New York, because one side has changed its clocks and the other hasn’t yet. Best time to meet
London and Mumbai
Mumbai is 4½ hours ahead of London now, then 5½ hours from Sunday, October 25, 2026, then 4½ hours from Sunday, March 28, 2027. Best time to meet
London and Sydney
Sydney is 10 hours ahead of London now, then 11 hours from Sunday, October 25, 2026, then 10 hours from Sunday, March 28, 2027, then 9 hours from Sunday, April 4, 2027, then 10 hours from Sunday, October 3, 2027.
Time now in UK & Ireland
Questions
When do the clocks go back in the UK and Ireland in 2026?
On Sunday, October 25, 2026. In London clocks go back 1 hour at 2 am, to 1 am.
When do the clocks go forward in the UK and Ireland in 2027?
On Sunday, March 28, 2027. In London clocks go forward 1 hour at 1 am, to 2 am.