تحديد بداية شهر رمضان المبارك رياضيا

Abstract EN

Abstract.

This work is an attempt to establish a mathematical method in order to prove the historical relationship which is " The day of the week of the first of Ramadan and the day of the week of the forth of Rajab are identical", and that will provide us with a simple way to predict which day is the first of Ramadan.

Keywords: The holy month of Ramadan, Rajab, The Julian day for an Islamic date, Day of the week.