Summer Solstice 2025 Canada 2025. 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. This application calculates sunrise and sunset times for a full year or a selected date.
In 2025, the summer solstice will occur on june 20, at 20:51 gmt in the northern hemisphere, and on december 21, at 09:20 gmt in the southern hemisphere. It can also calculate sun positions for the 21st day of a given month.