BābfīMa‛rifat-i Samt-i Kibla liAbi al-Rayhān al-Bīrūnī

This article is tointroduceone chapter of al-Bīrūnī’s treatise on astrolabe entitled: Kitābfī‛ilm-i al-Asturlāb (A book on astrolabe knowledge). This chapter is about finding kibladirection by Astrolabe. Also, it argues dependence of various astronomical traditions and interaction between astronomy and Islam. World-map centered Mecca and additional graphs on astrolabe are examples for showing this dependence. There are mathematical explanationsalthough they are not goal of this paper.