When Was The First Day Of Summer 2024 In Australia. This year, the sun will reach its northernmost point at 9.50pm uk time on this date. In 2024, summer will start on december 1st and end on february 29th, as it will be a leap year.

This year, the sun will reach its northernmost point at 9.50pm uk time on this date. Is it really the longest day of the year?.