Spring Start Date 2024. On march 19, the vernal equinox will see spring come to the northern hemisphere as the sun reaches the spot where the ecliptic and celestial equator cross each other. In 2024, the march equinox will occur on tuesday, march 19, at 11:06 p.m.

In 2024, the official first day of spring is tuesday, march 19. In 2024, these are the astronomical dates and times for the start of each season: