When Is The First Day Of Autumn 2024 In Australia. Using this method, autumn begins on september 23, 2022, and ends on december 22, 2022, when it gives way to winter. Whereas astronomical seasons are defined by the position of the earth in relation to the sun.

In different time zones, the date of the equinox may differ by a day, so it is important to indicate your exact location. Melbourne the exact moment of the autumnal equinox in.