First Day Of Autumn 2024 Canada 2024

First Day Of Autumn 2024 Canada 2024. Saturday, dec 21 4:20 am est. Fall starts at the moment when the sun is directly over the equator, going from north to south:

According to the national research council canada, “fall starts the moment when the sun is directly over the equator, going from north to south: This is the first day of astronomical summer and occurs as the sun reaches its most.