What century did Shulgi reign for 48 years?
Babylonian calendar The Babylonian calendar was a lunisolar calendar with years consisting of 12 lunar months, each beginning when a new crescent moon was first sighted low on the western horizon at sunset, plus an intercalary month inserted as needed by decree. The calendar is based on a Sumerian (Ur III) predecessor preserved in the Umma calendar of Shulgi (c. 21st century BC).
Shahghali Shahghali (also "Shah Ghaly" or "Shah Ali", Tatar: "Şahğäli", pronounced ] , or "Şäyex Ğäli", [ʃæˈjex ɣæˈli] ) (1505–1567) was khan of Qasim in 1516-1519, 1535–1546, 1546–1551, 1552–1567 and Kazan in 1518-1521, 1546, 1551-1552.