The autumnal equinox arrives on 22 September, marking the end of summer and the beginning of autumn, heralding the arrival of chillier weather and the winter months. The autumnal equinox occurs in ...

Are you ready for fall? The official arrival of fall is the autumnal equinox, which occurs in the Northern Hemisphere on Monday. After a hot summer, the September equinox marks a welcome shift in the ...

Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere ...

Add Yahoo as a preferred source to see more of our stories on Google. An expert astrologer shares how the equinox and the first day of fall will affect each zodiac sign. The autumnal or fall equinox ...

The vernal, or spring, equinox marks the changing of seasons. For the Northern Hemisphere, winter recedes into spring but in the Southern Hemisphere, it's reversed. Countries such as Australia, New ...

Spring is almost here — officially, at least. The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in the Southern Hemisphere. On the ...

The fall season is here, as marked by the autumnal equinox, which will happen Monday. The autumnal equinox will occur Monday, Sept. 22, at 12:19 p.m. MT/1:19 p.m. CT, signaling the end of summer. The ...