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St. Louis Science Center: Astronomy Fact Of The Day: September 26, 2021
Today in St. Louis, Missouri, we have equal hours of day and night as the Sun rises at 6:51 and it sets at 18:51. This day is called equ ...
September 26, 2021
Today in St. Louis, Missouri, we have equal hours of day and night as the Sun rises at 6:51 and it sets at 18:51. This day is called equilux, which occurs a few days after the autumnal and a few days before the vernal equinox. The reason we experience more daytime on an equinox is the Sun appears as a disk and atmospheric refraction. You can learn more about equilux here.
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This press release was produced by St. Louis Science Center. The views expressed here are the author’s own.