First Day Of Summer 2024 Usa Dates

First Day Of Summer 2024 Usa Dates. In 2024, these are the astronomical dates and times for the start of each season: Starts on tuesday, march 19 at 11:06 pm, and ends on june 20 at 4:51 pm.

Summer 2024 starts on thursday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth’s axis having reached its furthest tilt and begins to change directiion back. The first day of summer arrives with the solstice this year on thursday, june 20, 2024 at 4:51 p.m.