First Day Of Summer 2024 Date And Events. In north america, the first day of summer is marked by the summer solstice, which occurs this year on thursday, june 20, 2024 at exactly 3:50 pm edt. When is the first day of summer in 2024?
T his year, the summer solstice falls on thursday, june 20 at 4:50 p.m. The summer solstice is considered the first day of summer and the winter solstice is considered the first day of winter.