First Day Of Spring 2025 Usa

First Day Of Spring 2025 Usa. This year it starts on march 19 2025, at 11:06 p.m. The spring equinox is tuesday, march 19 and brings the first day of astronomical spring to the northern hemisphere.

This is also the start of the vernal equinox. Spring will last from march 19 until june 20, when summer.