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Equinox. 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.
Autumnal Equinox Day became a public holiday in 1948. In 1947 and before, it was the date of Shūki kōreisai ( 秋季皇霊祭 ) , an event relating to Shinto . Like other holidays, this holiday was repackaged as a non-religious holiday for the sake of separation of religion and state in Japan's postwar constitution .
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.
The Fall Equinox is an astronomical prediction of when the sun will cross the equator, and that tends to occur between September 22 and September 23 on the traditional Gregorian calendar.
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 ...
Here's everything you need to know about the start of autumn and Libra season. When will it start to feel like fall? Autumnal equinox: Sept. 23 marks the first day of fall
The March equinox [7] [8] or northward equinox [9] is the equinox on the Earth when the subsolar point appears to leave the Southern Hemisphere and cross the celestial equator, heading northward as seen from Earth. The March equinox is known as the vernal equinox (spring equinox) in the Northern Hemisphere and as the autumnal equinox (autumn ...
Cooler weather and changing leaves aside, astronomy—and more specifically, the autumn equinox—tells us when the official first day of fall will arrive. The date varies slightly but is usually ...