Summer And Winter Solstice 2024. The 2024 summer solstice will be the earliest for 228 years. The exact date shifts slightly each year.

It falls on december 21st or 22nd in the northern hemisphere and june 20th or 21st in the southern hemisphere. 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.