First Day Of Fall 2025 Canada Time. Autumn 2025 starts on monday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the earth's. In different time zones, the date of the equinox may differ by a day, so it is important to indicate your exact location.
Hereโs a guide to help you make the most of your first fall in canada. Spring begins with the vernal equinox, thursday, march 20, 2025, 5:01 a.m.