When Do The Clocks Go Forward 2025 Uk 2024. In the uk the clocks go forward 1 hour at 1am on the last sunday in march, and back 1 hour at 2am on the last sunday in october. The clocks always go forward at 1am on the final sunday of march which this year falls on sunday, march 31.

This marks the end of british summer time (bst) and the return to greenwich mean time (gmt). On the last sunday of march each year, the clocks go forward an hour.