Start Of Spring 2025 Uk Calendar. The summer solstice will fall on thursday 20 june. Vernal / spring equinox 2025 the spring or vernal equinox marks the astronomical first day of spring.

By the meteorological calendar, spring will always start on 1 march; Spring 2025 starts on tuesday, march 19th in the northern hemisphere, with daylight time lengthening and the leaves begining show on the trees with the changing tilt of.