Ahmad ibn Abi Yaqub ibn Zayd al-Yaqubi (d. 284 AH) was a great historian and geographer of the third century AH. The contents of Yaqubi's works on history and geography, especially the book Tarikh al-Yaqubi and Kitab al-Buldan, show that he was interested in studying astronomy books like his contemporaries and had studied famous works of this science.



This research aims to answer the question of how much Yaqubi was influenced by the science of astronomy and the science of astrology by examining the two historical and geographical works mentioned in an analytical-descriptive manner. The main issue of the research is to explain the position of astronomy in Yaqubi. The findings of this research show that Yaqubi benefited from the science of Astronomy and Astrology. He was influenced by the Ptolemy Astronomy and the works of astronomers such as Māshā'allāh and Muḥammad ibn Mūsā al-Khwārizmī.

, and the book of Yaqubi's History reflects the high frequency of Astronomy and Astrology , and he used astronomical rules in determining horoscopes of Jesus and Muhammad.

and describing the annual cycles of the caliphate of the caliphs. He also wrote the book of the countries and the division of the regions based on astronomical divisions, paid special attention to mathematical geography, and was influenced by the science of the Astronomy .