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Autumnal Equinox

 
When:
September 22, 2018 @ 9:54 pm – 10:54 pm
2018-09-22T21:54:00-04:00
2018-09-22T22:54:00-04:00
Where:
Northern Hemisphere
Cost:
Free
Contact:
Mother Nature

The Autumnal Equinox, or the first day of Fall, is on Saturday, September 22, 2018.

The favorite season of many New Englanders arrives at precisely 9:54 p.m. I’m all for cooler temperatures and a bit of autumn color.

The Old Farmers’ Almanac explains the change of seasons as follows:

The word equinox comes from the Latin aequus (equal) and nox (night).

During the equinox, the Sun crosses what we call the “celestial equator” (just imagine the line that marks the equator on Earth extending up into the sky) from north to south. Because of this, Earth’s two hemispheres receive the Sun’s rays about equally. The Sun is overhead at noon as seen from the equator, so at this point, the amount of nighttime and daytime (sunlight) are roughly equal to each other.

Another definition of fall is nights of below-freezing temperatures combined with days of temperatures below 70 degrees Fahrenheit (21°C). From here on out, the temperatures begin to drop and the days start to get shorter than the nights.

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