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A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator. On the day of the equinox, the Sun appears to rise "due east" and set "due west". This occurs twice each year, around 20 March and 23 September. [a]
In astronomy, the March equinox is the zero point of sidereal time and, consequently, ... Spring Starts Today All Over America, Which Is Weird (19 March 2020)
The peak time is Sept. 10, less than two weeks before the fall equinox on Sept. 22. This article originally appeared on Treasure Coast Newspapers: Fall equinox 2024 arrives Sept. 22. Here is the ...
The equinox arrives on Saturday, marking the start of the fall season for the Northern Hemisphere. Here's what to know about how we split up the year using the Earth's orbit. As the Earth travels ...
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 ...
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.
The first point of Aries, also known as the cusp of Aries, is the location of the March equinox (the vernal equinox in the northern hemisphere, and the autumnal equinox in the southern), used as a reference point in celestial coordinate systems. In diagrams using such coordinate systems, it is often indicated with the symbol ♈︎.
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