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The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24. At the equinox, the Sun as viewed from the equator rises due east and sets due west ...
Contour plot of the hours of daylight as a function of latitude and day of the year, showing approximately 12 hours of daylight at all latitudes during the equinoxes Earth at the September 2022 equinox. On the date of the equinox, the center of the Sun spends a roughly equal amount of time above and below the horizon at every location on the ...
The 2024–25 North American winter is the current winter season that is ongoing across the continent of North America.The most notable events of the season so far have included a powerful bomb cyclone that impacted the West Coast of the United States in mid-to-late November, as well as a severe lake-effect snowstorm in the Great Lakes later that month.
In the Northern Hemisphere after the autumnal equinox, the days begin to get shorter as the winter solstice gets closer. The seasons result from the Earth's tilt toward or away from the Sun.
Some scientists define seasons differently from the "regular" cycle of equinoxes and solstices. Here's how meteorological seasons work.
For locations not too close to the equator or the poles, the dates with the longest and shortest periods of daylight are the summer and winter solstices, respectively. Terms with no ambiguity as to which hemisphere is the context are " June solstice " and " December solstice ", referring to the months in which they take place every year.
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The night sky may be providing the best Valentine's Day gift on Friday for Canada and some parts of the northern United States.. The northern lights, also known as aurora borealis, may to be ...