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The autumnal equinox is also known as the fall equinox and the September equinox. An example of a sentence using "autumnal equinox" is "This year's autumnal equinox falls on a full moon. "
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In 2011, the Autumnal Equinox begins on September 23rd.
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In the Northern hemisphere, daylight hours decrease after the autumnal equinox.
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The vernal equinox in 2010 occurred on March 20th, and the autumnal equinox occurred on September 22nd.
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The autumnal equinox typically starts in September, specifically around September 22nd or 23rd in the Northern Hemisphere.
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The autumnal equinox in 1978 occurred on September 23rd. It marks the official start of fall when day and night are nearly equal in length.
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The "Vernal Equinox" is the beginning of "Spring" and the end of "Winter". The Autumnal Equinox is the beginning of "Autumn" or "Fall" and the end of "Summer". In the Northern Hemisphere, the Vernal Equinox is in March and the Autumnal Equinox in September each year.
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The autumnal equinox in the northern hemisphere occurs in September.
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There are two answers to that. In the northern hemisphere the autumnal equinox is in September, so one answer is the letter e. In the southern hemisphere the autumnal equinox is in March, so the second answer is the letter c.
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The adjectives vernal and autumnal mean "of spring" and "of autumn (fall)" respectively. The equinox, when the day and night are even, occurs twice a year. Once in spring and once in autumn (fall) as we move from the extremes of the summer and winter solstices. Therefore we have a vernal equinox (in spring) and an autumnal equinox (in autumn/fall).
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Although equinox means equal night, it doesn't mean that the day and night exactly the same. They are close. After the autumnal equinox the days are shorter though.
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Google it.
Or read what I have wrote:
An Autumnal equinox occurs on September 2.
It is a day when the day time approximately equals night time.
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Between vernal equinox and the autumnal equinox.
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The longest day and shortest night occurs on the summer solstice. The shortest day and longest night occurs on the winter solstice. Midway between these points (2x a year) are the equinox, where the day and night are of equal length.
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Who Knew - 2010 Autumnal Equinox 2-37 was released on:
USA: 22 September 2010
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That is depending on what you regard as the autumnal equinox. The autumnal equinox in the northern hemisphere is in September and it marks the start of autumn. In the southern hemisphere the autumnal equinox is in March and it marks the start of autumn. So looking at in that way, you can say yes. Of course those are two different dates on the calendar, so the autumnal equinox in one is happening at the same time as the spring equinox in the other. It is the same equinox, but where on Earth you are, determines which equinox it is. As autumn starts in one hemisphere, spring is starting in the other. So on that basis they don't mark the start of autumn in both hemispheres. It is never the same season in both hemispheres.
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The next equinox is the autumnal equinox, which falls on September 22nd in the northern hemisphere and March 20th in the southern hemisphere.
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It used to be called "The First Point of Aries", because it was located just inside the constellation Aries. However, due to precession the 'point' shifts over time.
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They would be the vernal equinox and the autumnal equinox.
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spring equinox and autumnal equinox
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The equinox is either vernal (spring) or autumnal. It can't be both. But spring in the northern hemisphere is autumn in the southern.
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There is only two equinoxes, Autumnal equinox(fall) starts on Sept. 22 or 23, and Vernal equinox(spring) starts on March 20 or 21.
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According to a news paper at newspaperarticals.com it was September 23
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In the northern hemisphere it is in September. In the southern hemisphere it is in March.
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seven
Start of autumn and Autumnal equinox on the 22nd.
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The Sun doesn't do anything at such. The Autumnal equinox is more down to the position of the Earth on its orbit of the Sun. The sun is directly over the equator and the amount of daylight and darkness is about equal around the world.
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Approximately 12 hours of Sun-over-the-horizon. (Same as the vernal equinox)
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