Autumn Equinox 2024 Australia. Autumn equinox 2024 (beginning of astronomical autumn) on the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator, moving from the. It also lists astronomical sunrise and sunset timings on vernal equinox day.
Australians are now facing six months of longer nights after yesterday marked the southern hemisphere’s autumn equinox. The first day of autumn is marked with the autumnal equinox.