End Of British Summer Time 2025. There are an estimated 308 days to go. British summer time (bst) begins when the clocks are set forward, signaling the arrival of longer daylight hours.

The ‘unconfirmed’ flag means this countdown date will likely change and has not been officially. End of british summer time (bst), (clocks go back) if a bank holiday falls on a saturday or sunday, a substitute weekday will become the bank holiday.