Summer Equinox 2024 Date. 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. The equinoxes occur around march 20 and september 22 each year, corresponding to an equal length of day and.

The times of the equinoxes mark the beginning of spring and fall. Edt on june 20, according to timeanddate.com.