When Does Time Change 2025 Uk 2025. This year, that's on 31 march. They move forward by one hour in march, for what is known as british summer time, and turn back by one hour in october.
This year, the clocks go forward on 31 march at 1am. This will mark the end of british summer time (bst) and daylight saving, and a return to greenwich mean time (gmt).