« Previous The Secret of the Jewish Leap Year Next » The Secret of the Leap Year Autoplay Next Rosh Chodesh: The Jewish Calendar Rosh Chodesh, the head of the month, plays a big role in the Jewish calendar, where the lunar cycle is front and center. Learn how the Jewish calendar works. Rosh Chodesh Leap Year, The Jewish Calendar, The Jewish « Previous The Secret of the Jewish Leap Year Next » The Secret of the Leap Year