Islamic astronomy 9 Islam 6 Religious aspects 4 Astronomy 3 Prayer 3 Islamic calendar 2 Moon 2 Salat 2 Commentaries 1 Computer architecture 1 Computer software 1 Criticism, interpretation, etc 1 Data processing 1 Dissertations 1 Dissertations, Academic 1 Islam and science 1 Observations 1 Prayers and devotions 1 Time 1 Time (Islamic law) 1 Ulama 1