2024 Spring Equinox Date Time And Today. Pdt (and 03:06 gmt on wednesday) the sun will cross the celestial equator traveling north, marking the vernal equinox in the northern. Eastern time tuesday night, marking the end of winter and first day of spring in the northern hemisphere.
When is the spring equinox 2024? In 2024, the official first day of spring is tuesday, march 19.