When Is Spring Equinox 2024 Uk. The first day of spring in the uk astronomically occurs on the vernal equinox, 20 march 2025. This year, the spring equinox will take place in the uk on wednesday, march 20.

This year, the spring equinox falls on wednesday 20 march, and the astronomical spring lasts until the summer solstice. The first day of spring in the uk astronomically occurs on the vernal equinox, 20 march 2025.