The Second Islamic Arts Biennale "And All That Is In Between" continues in Jeddah, within which the Uzbekistan Art and Culture Development Foundation presents an exclusive collection of rare manuscripts and artifacts highlighting the key role of Uzbekistan in the formation of Islamic culture, science, and art.
Another significant exhibit at the exhibition is the "Zij-i Ulugh Beg" (Gurgani Zij), a medieval star catalog published by Ulugh Beg in 1437. Many outstanding Central Asian scholars, including al-Kashi and al-Kushchi, participated in its creation. The catalog contains information about 1018 stars, which are distributed across 38 constellations. It also includes the length of the star year: 365 days, 6 hours, 10 minutes, and 8 seconds (with an error of 58 seconds) and the tilt of the Earth's axis: 23.52 degrees (the most accurate measurement). The work is considered the most accurate and complete star catalog of its time, surpassing the works of its predecessors.
The Second Islamic Arts Biennale will be open until May 25, 2025, at the Hajj Terminal of King Abdulaziz International Airport in Jeddah.