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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.
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.
Frequency. annual. Autumnal Equinox Day (秋分の日, Shūbun no Hi) is a public holiday in Japan that usually occurs on September 22 or 23, the date of Southward equinox in Japan Standard Time (autumnal equinox can occur on different dates for different time zones). Due to the necessity of recent astronomical measurements, the date of the ...
What Time Is the Fall Equinox 2023? The autumnal equinox will arrive at 2:50 a.m. Eastern Time. The equinox occurs at the exact same moment across the world. ... the date of the equinox may be one ...
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 ...
The equinox will arrive at 6:50 a.m. UTC (Coordinated Universal Time) Saturday, September 23.. For people in places such as Toronto and Raleigh, North Carolina, that’s 2:50 a.m. local time. It ...
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 ...
The Earth will experience its second equinox of the year on September 22 — marking the first official day of fall. What the fall equinox means for the rest of 2020 Skip to main content