Spring Equinox 2024 Uk. The first day of spring in the uk astronomically occurs on the vernal equinox, 20 march 2025. The spring equinox (march 19, 2024) signals the start of spring in the northern hemisphere, the beginning of autumn in the southern hemisphere, and a rare moment.

The spring equinox begins on march 20, which is the first day of astronomical spring. Spring equinox 2024 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic.