The Muslim world uses the Hijri calendar which is a 12 month lunar calendar that has either 354 or 355 days a year. The first day of the year is...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
The Hijri calendar is a lunar calendar that consists of either 354 or 355 days and is divided into 12 months. It is used throughout the Muslim world. Most Muslim countries, however, use the Gregorian calendar as their civil calendar.