What Is The First Day Of Autumn In 2024 In Australia

What Is The First Day Of Autumn In 2024 In Australia. Spring equinox 20 march, summer solstice 21 june, autumn equinox 22 september, winter solstice 21 december. Whereas astronomical seasons are defined by the position of the earth in relation to the sun.

In 2024, this happens on september 22, at 12:44 gmt (08:44 a.m. The autumn equinox is when the earth’s surface.