The crescent moon is a comprehensive view and astronomical studies

The book / The Hijri Months explores a comprehensive view and astronomical studies, by the author / Adnan Abdul Moneim Qadi, the issue of moon sighting and the beginnings of lunar months from a scientific and Islamic jurisprudence perspective through six chapters. It begins with discussing the relationship between natural phenomena such as the sun and the moon and Islamic legislation. Then it delves into the mechanism of moon sighting and prayer times, and raises the issue of differing lunar horizons and their agreement. It also analyzes the astronomical mechanism of the moon and its relation to determining the beginning of the month. A chapter is dedicated to an applied study on the moons of Ramadan, Shawwal, and Dhu al-Hijjah, with an evaluation of the Umm al-Qura calendar. It concludes with a chapter distinguishing between astronomy and astrology, emphasizing the Islamic legal reference in addressing these scientific issues.