Autumn Equinox 2024 Australia Calendar. 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. In 2024, autumn equinox in australia (southern hemisphere) will occur on tue, march 20, at sharp 02:07 pm aedt (australian eastern daylight time).
It also lists astronomical sunrise and sunset timings on vernal equinox day. This is the first day of astronomical summer and occurs as.