Rules of dating in islam

27-May-2020 14:12

The timing of the months in the Islamic calendar is based on astronomical observation.A new month can only begin after a Waxing Crescent Moon is observed shortly after sunset.

According to some sources, it was a lunisolar calendar where the length of the months followed the Moon phases and a leap month () was regularly inserted to re-align the time reckoning with the solar year.An Islamic year consistently falls about 11 days short of the solar year.