First Day Of Spring 2025 Canada Date. The first day of spring 2025: Download the monthly calendar for the spring of 2025.

The first day of spring is in 2025 on march 20 (according to the astronomical definition). 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.