Equinox 2024 March. In contrast, meteorological spring spans march, april and may in the northern. Astronomical spring, discussed here, relies on earth's position in its orbit, commencing with the vernal equinox.

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. On this date, the day is equal.