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 ...

Fall officially started at 1:19 p.m. Monday and marks the end of longer days and the true beginning of football and pumpkin spice weather. However, the way we define fall, has nothing to do with the ...

What is the autumnal equinox? The autumnal equinox marks the start of autumn in the Northern Hemisphere. The Earth travels around the sun at an angle, and for most of the year, the Earth’s axis is ...

The Earth’s equator is aligned directly with the Sun on the vernal equinox. @NOAASatellitePA / X Astronomically, an equinox occurs when the sun is directly above the equator. The term combines the ...

This year's autumnal equinox arrives on Sept. 22, marking the first day of fall in the northern hemisphere As summertime comes to a close, the autumnal equinox reminds us that every ending is also the ...

See more of our coverage in your search results. Add The New York Post on Google The autumnal equinox arrives on Monday, September 22, 2025, at 2:19 P.M. EDT, bringing with it the end of summer, the ...

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 ...

Philadelphia fans are heading toward sports nirvana tomorrow and will need a few extra screens to go along with their chips, hoagies, and beverages. In a rare instance, Philadelphia will experience a ...

It's one of the best days of the year, and oftentimes, it's something that catches us by surprise. But if you didn't realize you were waking up this Monday, Oct. 27 for such a special day, you're in ...