Spring Solstice 2025 Dates Canada. Equinox means equal day and night (12 hours each). 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.

Spring begins with the vernal equinox, thursday, march 20, 2025, 5:01 a.m. The first day of spring is march 20,.