Fall Equinox 2024 Date 4. The march equinox marks the beginning of spring in the northern hemisphere and the first day of fall in the southern hemisphere. Seasons divide the year into four distinct periods of time named spring, summer, autumn/fall, and winter.
The transition of spring equinox marks the start of the northern hemisphere’s spring, but it is the southern hemisphere’s autumn. Summer begins with the summer solstice, thursday, june 20, 2024, 4:51 p.m.