It’s almost time to bid farewell to summer and say hello to fall. The autumn equinox of 2025 occurs at 2:19 p.m. Eastern time on Monday, Sept. 22, marking the official start of the season known for ...

Pumpkin spice, cooler nights, football weekends and clock changes: fall is on the horizon. But the official start of autumn isn’t about lattes or leaf piles. It comes down to astronomy. The autumn ...

The Milky Way can be seen between trees. (WTOP/Greg Redfern) Fall officially arrives Monday, Sept. 22 at 2:19 p.m. Astronomically speaking, this is the date and time of the autumnal equinox, the ...

As we begin to see the end of September, the fall equinox is here to signal the end of summer 2025. Welcoming the fall season and bidding adieu to summer, the fall equinox will be happening on Monday, ...

SEATTLE — You may have heard winter officially begins Thursday with the arrival of the winter solstice. The winter solstice will officially occur at 7:58 a.m. PST on Dec. 21, 2023, according to the ...

The Spring Equinox 2026 kicks off on Friday, March 20, precisely at 3:45 p.m. (UTC+1), according to the Institute of ...