When Is First Day Of Spring 2025. The first day of spring is in 2025 on march 20 (according to the astronomical definition). Massachusetts school of law 500 federal street andover, ma 01810 tel :
The first day of spring in 2025 falls on march 20th.this date marks the vernal equinox, the moment when the sun crosses the celestial equator, moving from south to. Lincoln woods state park ;