What Is Summer Equinox 2024. 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 point and will be located at the maximum distance north of the celestial equator. The vernal equinox marks the beginning of astronomical.
In 2024, the last day of summer in the northern hemisphere is september 22! At an equinox, the sun appears directly above earth’s equator.