The autumn equinox today (Sept. 22) marks the first day of fall in the Northern Hemisphere. The exact time of the equinox is 4:44 p.m. EDT (2044 GMT) when the length of the day and night are roughly equal.
The autumn equinox today (Sept. 22) marks the first day of fall in the Northern Hemisphere. The exact time of the equinox is 4:44 p.m. EDT (2044 GMT) when the length of the day and night are roughly equal.
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