What Month Is Summer 2024. 27 rows the season change dates are based on the spring and fall equinoxes as well as the summer and winter solstices. Sunday, 22nd september 2024, 5:45am.
These dates may be modified as official changes are announced, so please check back. Summer begins with the solstice on thursday, june 20, 2024, marking the astronomical first day of summer in the northern hemisphere.
