Autumn Equinox 2024 Australia Calendar. It also lists astronomical sunrise and sunset timings on autumnal. Mabon in australia and the southern hemisphere occurs on march 20, 2024, and on september 23, 2024 in the northern hemisphere.

This is the first day of astronomical summer and. 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,.