Summer And Winter Solstice 2025 Canada. Summer solstice 2025 (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. Sun positions are only calculated for.
The winter solstice, or december solstice, occurs around december 21 or 22 in the northern hemisphere. Sun positions are only calculated for.