%N Days in months in the Hebrew calendar starting from Nisan 5760 (Spring 2000 CE). A generic year has the pattern 30,29,30,29,30,29,30,29,29,29,30,29.
%C The months are Nisan, Iyyar, Sivan, Tammuz, Av, Elul, Tishri, Heshvan, Kislev, Teveth, Shevat, Adar. A leap month of 30 days, added between Shevat and Adar, is called Adar I, where the final month is then called Adar II. Heshvan and Kislev (the 8th and 9th months) may each have 30 days, depending on astronomical rules.
%D N. Dershowitz and E. M. Reingold, Calendrical Calculations, Cambridge University Press, 1997.
%H N. Dershowitz and E. M. Reingold, <a href="http://emr.cs.iit.edu/home/reingold/calendar-book/first-edition/">Calendrical Calculations Web Site</a>
%Y Hebrew leap years A057349.
%A _Mitch Harris_