Calendars In The Dead Sea Scrolls: Measuring Ti... Site

: Four seasons of 91 days (13 weeks) each. Every quarter consisted of two months of 30 days and a third month of 31 days.

: Because 364 is divisible by seven, dates never shifted relative to the week. For example, Passover always occurred on a Tuesday. Qumran Calendar - John P. Pratt Home Page Calendars in the Dead Sea Scrolls: Measuring Ti...

The study of calendars in the Dead Sea Scrolls (DSS) centers on a unique 364-day timekeeping system that was central to the identity and eventual schism of the Qumran community. Unlike the mainstream Jewish lunar-based calendar of the Second Temple period, which consisted of 354 days, the DSS community followed a schematic solar year inherited from earlier traditions like the Book of Jubilees and 1 Enoch . 1. Structural Design of the 364-Day Calendar : Four seasons of 91 days (13 weeks) each