When Is Spring Of 2025. For those of us in the northern hemisphere, this is marked by the arrival of the spring equinox. 138 rows united states 2025 holiday calendar with all major holidays and observances.

When is the first day of spring 2025? 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.