Last Day Of Fall 2024 Usa Dates. Summer solstice 2024 (beginning of astronomical summer) on the day of the summer (june) solstice, the solar disk, moving along the ecliptic, will fall into its northernmost. See the astronomical start dates for spring, summer, autumn/fall and winter in the northern and southern hemispheres.

Find out when autumn (fall) starts and ends in 2024 according to astronomical and meteorological definitions. Learn more about the astronomical and meteorological meanings of fall, and.