Autumn Equinox Southern Hemisphere 2024. A representation of piscis austrinus and its bright star fomalhaut, via. Later, in 2024, the march equinox (start of autumn for the northern hemisphere, spring for the southern hemisphere) takes place at 3:07 utc, march 20.
The autumn and spring equinoxes, which take place in. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.