When Is The First Day Of Spring 2024 In Australia. When is the first day of autumn 2024 in southern hemisphere? Spring in the northern hemisphere begins on march 20, 2025, at 09:02 gmt (05:02 a.m.
Australia has 4 seasons, and each season is comprised of three full months. This year it starts on march 19 2024, at 11:06 p.m.