A doctoral thesis presented by a researcher from the College of Sharia and Islamic Studies at the University of Sharjah discussed the legal and astronomical standards in determining the prayer times, and the importance of this study lies in that it documents the scientific and field efforts made at the level of the UAE to unify the rules of prayer times, which makes it a scientific and national reference. The thesis presented by the researcher Hamad Mohamed Ahmed was discussed, according to which a doctorate degree in philosophy was obtained in jurisprudence and its principles that specializes in comparative jurisprudence from the College of Sharia and Islamic Studies at the University of Sharjah, under the title: “Sharia and Astronomical Standards in Determining Prayer Times: The Emirati Hijri Calendar as a model.” It aimed to build an integrated scientific framework that explains
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