Moonsighting Man tells you all about the science of moonsighting with actual pictures of the crescent moon, Lunar and Solar Eclipses and much much more ...

The Islamic calendar (Hijri) is a lunar calendar. It has 12 months based on the motion of the moon. What does an Islamic year look like So you can't print an Islamic calendar in advance How does one count years When will the Islamic calendar overtake the Gregorian calendar

A Universal Converter. Requires Javascript, you can work with it offline. Some clendarical history included.