First Day Of Autumn 2024 Usa. Pacific daylight time) autumn begins astronomically. Here’s a list of the exact dates and times of the four seasons in north america, including the first days of winter, spring, summer, and fall for the next few years.
All times shown are eastern times, with adjustments made for daylight and standard time changes. Arriving between september 21 and 24, the day has spawned rituals in many cultures.