The Beginning of the Islam Calendar

16 July 622 is believed to be the beginning of the Islam calendar. Just as the Christian calendar places, or tried to place, year zero at the time of Christ. Muslim scholars have tried to put year zero and the time of Mohammad’s move from Quba’ to Medina.

This Julian date (16 July) was determined by medieval Muslim astronomers by projecting back in time their own tabular Islamic calendar. Al-Biruni mentioned this date in the year 1000 AD/CE.

 This plaque shows the Civil and Hijri establishment dates of a library in Old City, Jerusalem. It is the work of Polskivinnik and is made available under a CC BY-SA 3.0 license.

This plaque shows the Civil and Hijri establishment dates of a library in Old City, Jerusalem. It is the work of Polskivinnik and is made available under a CC BY-SA 3.0 license.

Disclaimer: The information on this website is accurate to the best of my knowledge at the time of writing. I make no guarantee as to its accuracy. Its purpose is to inform, educate, and raise awareness about causes and opportunities around the globe. I also encourage civil debate in the comments.

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