First Day Of Summer 2024 Calendar Date And Time. Meteorological summer will always begin on 1 june; This year, the summer solstice falls on thursday, june 20 at 4:50 p.m.

The first day of summer is also known as the summer solstice, and in 2024 it happens on thursday, june 20 at 4:51 p.m. What exactly is the summer solstice?