Spring Equinox 2025 Time Schedule

Spring Equinox 2025 Time Schedule. Therefore, the equinox in march is referred to as the spring equinox even though fall is happening in the southern hemisphere. 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.

Autumn begins in the southern hemisphere at the same time. When do the four seasons start in 2025—for spring, summer, fall, and winter?