1st Day Of Fall 2024. When is the first day of fall 2024? Seasons divide the year into four distinct periods of time named spring, summer, autumn/fall, and winter.

When is the first day of fall 2024? The first day of autumn often called fall (september equinox or autumnal equinox) is when the sun shines directly on the celestial equator passing from north to south and the length of day and night are almost the.