First Day Of Summer 2025 Canada 2025. In 2025, the summer solstice will occur on june 21, at 02:42 gmt in the northern hemisphere, and on december 21, 2024 at 09:20 gmt in the southern hemisphere. This event marks the beginning of summer in.

These holidays include national statutory holidays, regional holidays, and special observances that honor the country’s rich heritage and multicultural society. 8 rows summer solstice in canada.