2024 Equinox Days. On this day, days and nights are approximately (but not exactly) equal in length for everyone. The equinoxes occur around march 20 and september 22 each year, corresponding to an.
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. An equinox is one of two days in the year when the sun crosses the equator and day and night become equal in length.