Equinox Southern Hemisphere 2024. In the southern hemisphere, it occurs in march. For those in the southern hemisphere, the september equinox heralds the arrival of spring, a time of renewal and growth.

This celestial geometry marks the changing of the seasons — from summer to autumn in the northern hemisphere and from winter to spring in the southern. Vernal equinox, two moments in the year when the sun is exactly above the equator and day and night are of equal length;