WORLD RELIGIONS

Detailed explanation-1: -The Hijri calendar (Arabic: , romanized: al-taqwīm al-hijrī), 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.

Detailed explanation-2: -Because the Islamic calendar is lunar, the days change relative to the Gregorian calendar. How is the timing of the Islamic calendar decided? Every month is either 29 or 30 days. If the new crescent is spotted on the twenty-ninth day, then the new month begins on the next day.

Detailed explanation-3: -The Hijri calendar was officially created during the reign of Khalifa Umar ibn al-Khattab. The Prophet’s migration or hijra in 622AD marks the beginning of the Hijri year calendar and gives the calendar its name.

Detailed explanation-4: -Many of the world’s major religions – Buddhism, Islam, Hinduism, Judaism and Christianity among them – use a calendar based at least in part on lunar cycles. Islam, for instance, uses a lunar calendar in which the holy month of fasting, Ramadan, begins with the ninth new moon of the year and ends with the 10th.

Detailed explanation-5: -lunar calendar, any dating system based on a year consisting of synodic months-i.e., complete cycles of phases of the Moon. In every solar year (or year of the seasons) there are about 12.37 synodic months.