Last Day Of Summer 2024 Australia.  — summer 2024 starts on thursday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth's axis. This year the summer will start on thursday june 20, 2024 (day of the summer solstice) and will end on sunday september 22, 2024 with the autumnal equinox.

These dates may be modified as official changes are announced, so please. Unlike in the northern hemisphere, christmas barbecues and new.