First Day Of Autumn 2024 Nz. Using this method, autumn begins on september 23, 2022, and ends on december 22, 2022, when it gives way to winter. This is the first day of astronomical summer and occurs as the sun reaches its most northerly or southerly path in the sky.
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 northern hemisphere to the southern. In 2024, the first day of autumn in australia (southern hemisphere) will occur on tuesday, march 20 at sharp 02:07 pm australian eastern daylight time (aedt).