The Longest Day In The 2024. 21, 2024, at 5:29 a.m. The southern hemisphere’s summer solstice will occur this weekend, marking the longest day and shortest night of the year in australia.

In 2024, the summer solstice will occur on thursday 20 june at 9.51pm bst (4:50 pm edt new york, 1:50pm pdt los angeles). When is winter solstice, the shortest day and longest night of the year 2024?