When Is The 1st Day Of Spring 2025

When Is The 1st Day Of Spring 2025. This is referred to as astronomical spring or the march equinox or vernal equinox. The first day of spring (march equinox or vernal equinox) is when the sun shines directly on the celestial equator passing from south to north and the length of day and night are almost the same.

This year, the season begins on thursday, march 20, 2025. On the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator, moving from the northern hemisphere to the southern.