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September 22/23
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When does fall begin in Chicago?
The autumnal equinox brings the fall season to the Northern Hemisphere on: September 22 each year.
Scientific name for fall?
The answer is autumnal equinox.
What is the Fall equivalent to the Spring Equinox?
Spring equinox occurs around March 20 and Fall equinox occurs around September 22 for the Northern Hemisphere. For the Southern Hemisphere these dates are opposite; the Spring equinox is around September 22 and the Fall equinox occurs around March 20.
What is the scientific name of the first day of fall?
In North America, the first day of fall is considered to be on September's equinox. Every year, there is another equinox around March 20.
What is equinox days?
The spring equinox is March 21, The fall equinox is September 23
What day in the year does fall begin?
This year it is September 22, at 5:18 pm, Eastern Daylight Time. This is the moment of the Autumnal Equinox.
What is the difference between vernal and autumnal equinox?
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).
When does the autumnal equinox begin?
In 2011, the Autumnal Equinox begins on September 23rd.
What happens during the spring and fall equinox?
through the fall and the spring equinox alot of things happen during the fall and spring equinox
What day does the Fall Equinox fall on this year?
Sept. 22
What is a sentence using the word autumnal equinox?
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. "
When will fall weather start?
The fall equinox will start on September 22.
