When Is 2024 Summer. What are the dates for the four seasons in 2024? 27 rows consult the dates of the 4 seasons:
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. Thursday, june 20 is the official first day of northern astronomical summer for 2024 — summer solstice — which is the longest day of the year for this half of the planet.