When Is The First Day Of Summer 2024 Date. (in the southern hemisphere, it is around december 21 or 22.) this date is considered to be. (in the southern hemisphere, it is around december 21 or 22.) this date is considered to be the first day.

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. For those of us in the northern hemisphere, earth is.