When do the clocks change in the UK?
The UK changes between Greenwich Mean Time (GMT) and British Summer Time (BST). This page lists the upcoming dates and the rule used.
The UK clock-change rule
In the UK, the clocks go forward 1 hour at 1am on the last Sunday in March, and go back 1 hour at 2am on the last Sunday in October.
Upcoming UK clock-change dates
| Year | Clocks go forward (start BST) | Clocks go back (return to GMT) |
|---|---|---|
| 2025 | 30 March | 26 October |
| 2026 | 29 March | 25 October |
| 2027 | 28 March | 31 October |
| 2028 | 26 March | 29 October |
What happens when the clocks change?
When the clocks go forward
The clock jumps from 01:00 to 02:00.
The clock jumps from 01:00 to 02:00.
When the clocks go back
The clock repeats the hour: 02:00 becomes 01:00.
The clock repeats the hour: 02:00 becomes 01:00.