Comparative Calendar of the Iranian, Muslim Lunar, and Christian Eras For Three Thousand Years(1260 B.H.--2000 A.H./639 B.C.--2621 A.D. by Ahmad Birashk 0 Reviews A manual of the three major calendars in use in Persia: the Muslim lunar calendar, the Iranian solar calendar, and the Western Gregorian calendar. This book includes tables for the conversions of dates among these three calendars from 639 BC to 2621 AD. It... $10.00