24 Hrs
Source:
بوابة الشروق
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Cairo will have 12-hour day and night
The article indicates that Cairo will experience a day and night of equal length tomorrow, with each lasting 12 hours, according to astronomical calculations conducted by the National Institute for Astronomical and Geophysical Research. Dr. Yasser Abdelhadi stated that the sun will rise at 6:44 AM and set at 6:44 PM, making day and night equal in duration. He explained that the complete equality of day and night generally occurs at the Equator, while in other regions it varies and is known as the convergence of day and night hours, which does not necessarily happen on the autumnal equinox. He also pointed out that the astronomical autumn in Egypt began on September 23 and will continue until December 21, clarifying that the autumnal equinox marks the beginning of astronomical fall when the sun crosses the celestial equator from north to south.
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