Spring Equinox 2024 Usa Time. To find out the exact equinox time for your time zone, open the sky tonight app. The spring equinox (march 19, 2024) signals the start of spring in the northern hemisphere, the beginning of autumn in the southern hemisphere, and a rare moment.
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. Spring equinox dates and times;