<P> The Islamic , Muslim , or Hijri calendar ( Arabic : التقويم الهجري ‎ at - taqwīm al - hijrī ) is a lunar calendar consisting of 12 months in a year of 354 or 355 days . It is used ( often alongside the Gregorian calendar ) to date events in many Muslim countries . It is also used by Muslims to determine the proper days of Islamic holidays and rituals , such as the annual period of fasting and the proper time for the pilgrimage to Mecca . </P>
<P> The Islamic , Muslim , or Hijri calendar ( Arabic : التقويم الهجري ‎ at - taqwīm al - hijrī ) is a lunar calendar consisting of 12 months in a year of 354 or 355 days . It is used ( often alongside the Gregorian calendar ) to date events in many Muslim countries . It is also used by Muslims to determine the proper days of Islamic holidays and rituals , such as the annual period of fasting and the proper time for the pilgrimage to Mecca . </P>
islamic calendar how many days in a non leap year
islamic calendar how many days in a non leap year
354
354