It’s the first day of fall 2022
Prepare yourself, inhabitants of the Northern Hemisphere. Fall officially begins on September 22 or 23, the date of the autumnal equinox. The vernal equinox, which occurs in the spring, is the other one of only two days when the Sun is directly above the Equator and appears to divide day and night into equal parts. The Earth’s axis is tilted 23.4 degrees so that on every other day of the year, either the Northern or Southern Hemisphere is inclined toward the Sun. In other words, one hemisphere gets more sunlight than the other.
The word “equinox” comes from the Latin for “equal night,” but that doesn’t exactly mean that day and night have the same number of hours. Due to topographic differences that alter the height of the horizon and air solar ray refraction that gives the appearance that the Sun is over the horizon for a longer period of time than it actually is, the day will actually last for several minutes longer than the night.
The days will get shorter and the nights will get longer up until the winter solstice. By the way, it’s the first day of spring if you reside in the Southern Hemisphere. Definitely nice. While some people may enjoy the cooler fall weather and the attendant sartorial choices it presents, others dread the impending chill and the fleece-clad foot soldiers it will awaken.
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