About
The Hijri calendar (Arabic: ٱلتَّقْوِيم ٱلْهِجْرِيّ), also known in English as the Muslim calendar and Islamic calendar, is a lunar calendar consisting of 12 lunar months in a year of 354 or 355 days. It is used to determine the proper days on which to observe the annual fast (Ramadan), to attend Hajj, and to celebrate other Islamic holidays and festivals.
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