Question

when was the hijri era established and how many days are there in a year.​

Answer 1

Answer:

The Islamic calendar (Arabic: ٱلتَّقْوِيم ٱلْهِجْرِيّ‎ at-taqwīm al-hijrīy), also known as the Hijri, Lunar Hijri, Muslim or Arabic calendar, is a lunar calendar consisting of 12 lunar months in a year of 354 or 355 days.

Explanation:

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