The Jewish calendar that is in almost universal use today, and in the Middle Ages was associated with the Rabbanites, was instituted at some point in the ninth century (its attribution to a Hillel in the mid-fourth century is a medieval tradition that has long been disproved in modern scholarship).1 It is a fixed calendar, based on a calculation. Its origins are yet to be fully understood, although some of its elements can be traced back to Talmudic sources. The fragment I present here reveals new ‘missing... Read More
