When Does Summer Start 2024 Florida. Here are the differences between solstices and equinoxes, when they happen and what they mean. Fall begins with the autumnal equinox, monday, september 22, 2025, 2:19 p.m.
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 having reached its furthest tilt and begins to change. 10, which falls on a saturday this year.