When Does Spring Start 2024 Uk. The first day of spring in the uk astronomically occurs on the vernal equinox, 20 march 2025. 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 first day of spring in the uk astronomically occurs on the vernal equinox, 20 march 2025. According to the meteorological calendar, spring will start on friday 1st march.