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In the Northern Hemisphere, the March equinox is called the vernal or spring equinox while the September equinox is called the autumnal or fall equinox. In the Southern Hemisphere, the reverse is true. During the year, equinoxes alternate with solstices. Leap years and other factors cause the dates of both events to vary slightly.
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 2024, the Autumnal Equinox for the Northern Hemisphere will be Sunday, September 22. ... What Time Is the Fall Equinox 2023? The autumnal equinox will arrive at 2:50 a.m. Eastern Time. The ...
2023 20: 21:25: 21: ... March equinox is the zero point of sidereal time and, ... usually falls on the first full moon after the Northern Hemisphere vernal equinox ...
The spring equinox is on ... and takes slightly longer to set each day as the axial tilt points the Northern Hemisphere toward the sun ... rise at the same time as the beginning of the month, 6:50 ...
The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox can land between Sept. 21 and 24. WHAT IS ...
Daylight saving time ends on Sunday, Nov. 3. ... it's to add more daylight in the evenings. In the Northern Hemisphere, the autumnal equinox is Sunday, ... A 2023 version of the act remained idle ...
Articles relating to the Autumn equinox, which is the September equinox for the Northern Hemisphere and the March ... This page was last edited on 22 July 2023, ...