The Universal Hijri Calendar
In the Name of Allah---the Most Beneficent, the Most Merciful. The Islamic calendar, also known as the universal Hijri calendar, is a purely lunar calendar used by Muslims around the world for religious observances and determining Islamic dates. Introduction The Islamic calendar , also known as the Hijri calendar , is a purely lunar calendar used by Muslims around the world for religious observances and determining Islamic dates. It consists of 12 lunar months , each beginning with the sighting of the new moon , making it fundamentally tied to the phases of the moon . The length of each month is either 29 or 30 days , depending on the moon’s visibility, resulting in a total year length of approximately 354.3671 days —significantly shorter than the 365.2422-day tropical year used in the Gregorian calendar . In this article, we’ll focus on the Universal Hijri Calendar. This shorter year means that the Isla...