<p style='text-align: justify;'>Two leaves from separate manuscripts. P1: explanation of the number of hours in days and nights and of the number of minutes in the hour; explanation of the length of the lunar month; list of dates in the central part of recto; list of the occurrence of the leap years in the years of the small cycle; references to the Jewish months and the tequfot on verso; list of dates in the marginalia on the verso. P2: calendar with lists of dates and references to the Jewish months of Tišri and Nisan, listing years with reference to their typology (complete, normal, defective; regular or leap). Mentions the moladot on verso, and the lunar months in the margin of recto. </p>