Last Day Of Summer 2024 Usa Dates. Find out the dates and names of the federal holidays in the united states for the year 2024. March 19, 2024 (vernal equinox) summer:

 — in 2024, the summer solstice will occur on june 20, at 20:51 gmt in the northern hemisphere, and on december 21, at 09:20 gmt in the southern hemisphere. See the national calendar or choose your state’s calendar to view the holidays by month.