Spring Equinox 2024 Usa. 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. Spring will arrive with the vernal equinox on march 19, 2024.
The 2024 march equinox falls march 20 at 3:06 utc. Start of spring 2024 comes with frigid equinox temperatures, but vibrant cherry blossoms.