Equinox 2024 Dates. The spring equinox (march 19, 2024) signals the start of spring in the northern hemisphere, the beginning of autumn in the southern hemisphere, and a rare moment of equal night across the. 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.

Here’s everything you should know about the fall equinox—plus our favorite fall facts, folklore, photos, and more! The dates for equinoxes and solstices in the northern and southern hemispheres are the same, but in opposite seasons.