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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 ...
The equivalent common language English terms spring equinox and autumn (or fall) equinox are even more ambiguous. [19] [20] [21] It has become increasingly common for people to refer to the September equinox in the southern hemisphere as the Vernal equinox. [22] [23]
He points out that the lengths are not equal, being 91 (in non-leap years), 94, 91, and 89 days for spring, summer, autumn, and winter, respectively. [14] The midpoints of these seasons were March 24 or 25, June 25, September 25 or 26, and December 24 or 25, which are near to the equinoxes and solstices of his day.
Fall in northern Alaska brings the famous aurora borealis, or the northern lights, which can start in mid-September in the northernmost US state. A fall adventure to Denali National Park might ...
The first day of fall in 2024 is Sunday, Sept. 22. What are the fall months? In the Northern Hemisphere, the fall months are from the end of September, through October and November and into the ...
Spring, also known as springtime, is one of the four temperate seasons, succeeding winter and preceding summer. There are various technical definitions of spring, but local usage of the term varies according to local climate, cultures and customs. When it is spring in the Northern Hemisphere, it is autumn in the Southern Hemisphere and
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For the vernal (spring) equinox, several springtime festivals are celebrated, such as the Persian Nowruz, the observance in Judaism of Passover, the rites of Easter in most Christian churches, as well as the Wiccan Ostara. The autumnal equinox is associated with the Jewish holiday of Sukkot and the Wiccan Mabon.