The term moon in Scorpio, which is common in Persian, refers to the astronomical phenomenon of the moon passing in front of the constellation of Scorpio and refers to "misfortune and bad luck". The opposite, less commonly referred to, is "the sun in Assad" or "the sun in the house of the lion." Unlike the Moon in Scorpio, which occurs every month, the Sun in Assad is once a year in August and "promises good luck and good fortune." حسن انوشه: From Cambridge to Kabul and Babylon, in search of Iranian history and Persian language BBC documentary about Iran; In search of Persian art or national identity? Purdavud Center; Research on the history of ancient Iran in Los Angeles تصویر شمس در اسد از کتاب ابومعشر بلخی، منجم مشهور دربار عباسی Image description, The image of the sun in Assad from the book of Abu Mashar Balkhi, the famous astronomer of the Abbasid court Saeed Nafisi in his book Darfash Iran and the Lion and the Sun, published in 1328, referring to astronomical rulings, "considers the placement of the sun in Assad's tower as one of the ancient occasions and the result of the beliefs of ancient Iranian astronomers." Referring to the Arabic name of this occasion, Al-Shams Fi Al-Assad, he described it as follows: ‌ "The sun above the lion means the peak of honor and the peak of exaltation and radiance. There is no doubt that the sun is in the tower of Assad in the middle of summer. "It reaches its peak and the peak of radiance and warmth." Saeed Nafisi, referring to the illustrated copies of some books of ancient astronomers such as Abu Mashar Balkhi (ninth century AD) and Abdul Rahman Sufi, wrote that in these books, "there is a face of the sun in the house of the lion, that is, in the tower of Assad, which is exactly like the lion and the sun." "They have painted the sun on the back of the lion. Mughal Library