British Summertime Begins 2025

British Summertime Begins 2025. When does summer start in the uk? The clocks change on the last sunday of march every year in the uk, moving forward by one hour.

British summer time (bst) occurs on the last sunday of march and represents the phenomenon when the clocks go forward in spring by one hour and, in autumn, on the last sunday of october, reverts to greenwich mean time. The clocks change on the last sunday of march every year in the uk, moving forward by one hour.