Donia Garland

Autumn Equinox 2024 Australia Calendar. This celestial event heralds the transition from summer to autumn, bringing about cooler. The first day of autumn is marked with the autumnal equinox.

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,. We celebrate the september equinox as the first day of autumn for the northern hemisphere, and the first day of spring for the southern hemisphere.