Musulmanskіy entry calendar (Ruz-name) Darendavi occupies, if not the first, then in any case, one of the most honorable places between all sochinenіyami of a similar kind that have ever appeared in Turkish. Combining purely scientific merits with the fullest suitability for the purposes of the canonical, this calendar has always been highly valued not only by educated people of the Muslim East, but also by well-known scientists of the orіentalistami, who only came across this curious conversion of Turkish science and art, sozhalnіyu stavshіy in recent times a little does not biblіograficheskoyu rarity.