Summer Time 2025 Canada Dates. Winter begins with the winter solstice, sunday, december 21, 2031, 8:55 p.m. Canada the exact moment of the summer solstice in 2025 is 20 june, at.

Summer begins with the summer solstice, saturday, june 21, 2031, 9:17 a.m. In 2025, most of the usa, canada, and parts of europe will move their clocks forward on march 9 and back on november 2.