Pacific Standard Time on Sunday, Sept. 22, it's both astronomically and meteorologically fall in the Northern Hemisphere.

The equinox has no relationship to Houston’s weather, and the city’s climate afterwards isn’t guaranteed to bring cooler or ...

22, marks the first day of the autumnal equinox in the Northern Hemisphere ... By that calendar, spring starts on March 1, ...

In addition to refraction hastening sunrise and delaying sunset, there is another factor that makes daylight longer than night at an equinox: sunrise and sunset are defined as the times when the first ...

The autumn equinox, which comes around every September for the Northern Hemisphere, marks the official astronomical start of ...

Despite proposals for permanent daylight saving time, clocks will shift back an hour this fall in many states.

During an equinox, places around the globe experience nearly equal amounts of daytime and nighttime. The second occurrence ...

If you get up early enough, you can experience an equinox sunrise. The autumnal equinox heralds the arrival of fall in the northern hemisphere.

In Japan, Autumnal Equinox Day is a national holiday. In Japanese, it’s known as Shubun no Hi (秋分の日), according to Coto ...

Ready for sweater weather? Read on for surprising facts about the first day of fall, aka apple-picking and leaf-peeping ...

Fall weather is soon going to be hitting the Northeast and just in time as the official start to fall — the autumnal equinox ...

Pumpkin spice is here, but fall still isn't — not officially. But it is just around the corner. Here's when you can expect ...