Vernal Equinox 2024 Edt. The start of astronomical spring, known as the vernal equinox, occurred yesterday, march 19, 2024, at 11:06 p.m. The vernal equinox happens on march 19, 2024, at 23h06 edt (03h06 gmt, march 20) , marking the astronomical beginning of the spring season in the northern hemisphere and the autumn season in.

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. The vernal equinox, the astronomical beginning of spring, occurs this year today, tuesday, 19 march, 2024 at 3:06 utc (11:06 pm edt).