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Yesterday afternoon, Saturday afternoon, astronomer Muhammad bin Radda Al-Thaqafi, expert on the Taif astronomical sundial, observed the phenomenon of the sun’s constellation through the Taif astronomical sundial, the moment it reached the Tropic of Capricorn in the southern hemisphere. The apparent movement of the sun was monitored at the moment of its disappearance one hour before sunset, indicating that today, Sunday, is the first day of the sun’s calendar in the agricultural calendar according to the Taif astronomical sundial system.
