Spring Equinox 2024 Time And Date. 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. But why do we celebrate the spring.
In 2024, the official first day of spring is tuesday, march 19. Here are the equinox and solstice datesโplus, answers to common questions.