Summer And Winter Solstice 2024. The summer solstice signals the beginning of astronomical summer and the winter solstice signals the beginning of winter. In the southern hemisphere, it will occur on june 20 at.

In 2024, the december solstice falls at 9:21 utc on december 21 (3:21 a.m. 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.