Spring Equinox 2025 Usa Location. Spring equinox 2025 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic. Spring equinox 2025 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic.

Spring begins in earth’s northern hemisphere at 12:50 p.m. The 2025 march equinox falls march 20 at 9:01 utc.