When Does Summer 2025 Start. The school year for 2025 for all moe primary schools (including moe kindergartens) and secondary schools will start on thursday, 2 january 2025 and end on. The first day of summer, also known as the summer solstice, will occur on saturday, june 21, 2025, at 10:42 pm edt.

Find out the date when summer is in 2025 and count down the days until summer with a countdown timer. This is the longest day of the year and marks the start of summer in.