First Day Of Fall 2024 Canada Time

First Day Of Fall 2024 Canada Time. The summer solstice is also known as the longest day, which is perhaps the most notable feature. The official first day of fall, otherwise known as the autumnal equinox, is this weekend in the northern hemisphere.

In different time zones, the date of the equinox may differ by a day, so it is important to indicate your exact location. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.