First Day Of Fall 2024 Canada 2021. Summer begins with the summer solstice, thursday, june 20, 2024, 4:51 p.m. Arriving between september 21 and 24, the day has spawned rituals in many cultures.
Winter starts at the moment when the sun is farthest south: When do the four seasons start in 2024—for spring, summer, fall, and winter?