First Day Of Spring Canada 2024. Spring equinox 2024 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic. The first day of astronomical of spring arrives on tuesday, march.

In the northern hemisphere, the astronomical start of spring is also known as the spring equinox. Spring in the northern hemisphere begins on march 20, 2025, at 09:02 gmt (05:02 a.m.