When Is Winter Starting 2024 Calendar. This means the clocks will fall back and we will get an extra hour of sleep on this day. Summer begins with the summer solstice, thursday, june 20, 2024, 4:51 p.m.

Daylight saving time will end at 2 a.m. This year the winter will start on thursday december 21, 2023 (day of the winter solstice) and will end on tuesday march 19, 2024 with the spring equinox.