British Summer Time Starts 2025. British summer time (bst) is 1 hour ahead of coordinated universal time, utc+1; During the summer months, british summer time provides people with an extra hour of daylight in the evening, rather than in the mornings when people are still in bed.

The period when the clocks are 1 hour ahead is called british summer time (bst). British summer time (bst) is 1 hour ahead of coordinated universal time, utc+1;