Spring Equinox 2024 Northern Hemisphere Dates. Learn why the vernal equinox, marking the official start of spring in the northern hemisphere, will occur on march 19, 2024, the earliest date since 1896. The times of the solstices mark the beginning of summer and winter.

Find out the difference between meteorological and. 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.