Spring Equinox 2024. Here's when the first day of spring is in 2024. In the southern hemisphere, the spring equinox takes place on september 22, 2024, at 12:44 gmt (07:44 a.m.
Edt on march 19, 2024, the sun crosses the celestial equator from south to north. When do the four seasons start in 2024—for spring, summer, fall, and winter?