Fall equinox occurs Wednesday at 3:21 p.m. Eastern time 😎

In the Northern Hemisphere, the autumnal equinox means we are entering the dark season and inching closer toward winter. On Sept. 22, D.C. sees 12 hours and 8 minutes of daylight, with the sun rising at 6:56 a.m. and setting at 7:04 p.m.

Friday will be our last sunset in the 7 o’clock hour this year. Beginning Sunday (Sept. 26), the length of day dips to 11 hours and 59 minutes. Not until March 17, 2022, will the sun again spend more than 12 hours above the horizon.

https://www.washingtonpost.com/weather/2021/09/21/autumn-fall-equinox-dc-2021/?