THE ISLAMIC CALENDAR
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(1) Islamic Calendar |
From Wikipedia, the free encyclopedia
The Islamic calendar or Muslim calendar (Arabic: التقويم الهجري; at-taqwīm al-hijrī; Persian: تقویم هجری قمری Gāhshomāri-ye Hejri; also called the Hijri calendar) is the calendar used to date events in many predominantly Muslim countries, and used by Muslims everywhere to determine the proper day on which to celebrate Islamic holy days.
It is a lunar calendar having 12 lunar months in a year of about 354 days. Because this lunar year is about 11 days shorter than the solar year, Islamic holy days, although celebrated on fixed dates in their own calendar, usually shift 11 days earlier each successive solar year, such as a year of the Gregorian calendar.
Islamic years are also called Hijra years because the first year was the year during which the Hijra occurred— Muhammad's emigration from Mecca to Medina. Thus each numbered year is designated either H or AH, the latter being the initials of the Latin anno Hegirae (in the year of the Hijra).
For a very rough conversion, multiply the Islamic year number by 0.97, and then add 622 to get the Gregorian year number. The Islamic and Gregorian years will have the same number in 20840. The Islamic calendar year of 1429 will occur entirely within the Gregorian calendar year of 2008. Such years occur once every 33 or 34 Islamic years (32 or 33 Gregorian years).
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THERE IS MORE TO FIND OUT AT
http://en.wikipedia.org/wiki/Islamic_calendar
Images:
(1) http://emr.cs.iit.edu/home/reingold/calendar-book/images/
(2) (copyright protected) http://www.islamicacademy.org/html/General/IndoPak_2005.htm
(3) clipped screenshot of http://en.wikipedia.org/wiki/Islamic_calendar