First Day Of Spring 2025 Usa Time

First Day Of Spring 2025 Usa Time. Spring will arrive on thursday, march 20, 2025, and last until june 21, 2024. The first day of spring is almost upon us, and we’re counting down the days until the weather begins to warm.

The spring or vernal equinox marks the astronomical first day of spring. 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.