Spring Equinox 2024 Date Uk. The sun will pass the celestial equator at 3.06am (uk time) on march 20, 2024. 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.
When is the spring equinox 2024? The spring or vernal equinox marks the astronomical first day of spring.