Jubilees does not include every date in Genesis (e.g. the date when the ark rested on the mountain), but it adds notes about what happened on 1/4, 1/7, 1/10 and 1/1. Later the writer explains that these are memorial days at the four divisions of the year (6.23–28) and are to be marked with festivals. c. Jubilees 6.1–38. The lengthy sixth chapter deals with Noah’s post-diluvian sacrifice, the covenant and the calendar. It is, therefore, a pivotal chapter in the book, one that elaborates several of