Spring Dates 2025 Uk. Use this fantastic originals calendar to track which of our amazing ks1 picture books can be used to support teaching around key festivals, celebrations and events during 2025! Vernal / spring equinox 2025 the spring or vernal equinox marks the astronomical first day of spring.

Spring 2025 starts on thursday, march 20th in the northern hemisphere, with daylight time lengthening and the leaves begining show on the trees with the changing tilt of the earth’s axis. When is spring begins shown on a calendar.