Sun is setting earlier and leaves are changing. Here's what to know about first day of fall 2025, autumnal equinox, foliage ...

Monday, Sept. 22 is what many consider the first official day of fall: The fall equinox. The equinox marks the moment when ...

Dates can shift slightly for equinoxes depending on the year, but it's always around this time in September. The next vernal ...

Is the fall equinox actually the day that day and night are precisely equal? It’s a question that recurs each September, and ...

The fall equinox marks the first day of autumn. When does fall officially begin in 2025? This visual guide will help get you oriented.

The winter solstice comes about three months after the autumnal equinox, which took place on Sept. 22 this year, according to ...

From cooler temps to fall foliage, there's plenty to be excited about for the start of fall — but what does the autumnal ...

In the Northern Hemisphere, the equinox symbolizes the onset of shorter days with longer, cooler nights, while in the Southern Hemisphere, spring arrives with longer, warmer days. This year, the ...

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the ...

There are two equinoxes and two solstices every year. Daylight on Sept. 22, 2025, will last roughly the same length of time across the planet.

The summer solstice, which is approaching this week, typically marks the “official” start of summer, although it’s felt like summer in Florida for weeks. Solstices and equinoxes mark the first day of ...

It's time for the start of summer — with a full moon to boot. Here’s what to know about the summer solstice in the Northern Hemisphere on Thursday. The Earth spins on a tilt as it revolves around the ...