First Day Of Summer 20254 2025 Schedule

First Day Of Summer 20254 2025 Schedule. The first day of summer, also known as the summer solstice, will occur on saturday, june 21, 2025, at 10:42 pm edt. Summer begins with the solstice on friday, june 20, 2025, marking the astronomical first day of summer in the northern hemisphere.

Jun 26 (th) last day of classes: Known in icelandic as ‘sumardagurinn fyrsti’, the first thursday after april 18th is an icelandic public holiday that.