British Summer Time Begins 2024. We won’t see lighter nights again until mar 30, 2025, when the clocks wind forward again at 1am and british summer time begins. The clocks go forward in the uk on march 31 2024 at 1am.

The clocks go forward at 1am on sunday 31st march 2024, marking the start of british summer time (bst). There are only 128 days to go.