12-02. First Mitzva, Kiddush Hachodesh. This Mitzva is given to Beis Din alone. They must determine the months and the years, deciding when and how to add a leap year. The class (which is divided in two because of its length), deals with opinions about this mitzva. There is a surprising Rabbeinu Chananel, and the...

12-02. First Mitzva, Kidush Hachodesh. This Mitzva is given to Beis Din alone. They must determine the months and the years, deciding when and how to add a leap year. The class (which is divided in two because of its length), deals with opinions about this mitzva. There is a surprising Rabbeinu Chananel, and the...

Yeshiva 5780 Kidush Chadashim and Ibbur Shanim.A short version of the first Mitzvah.Our calendar is hidden even from the Torah SheBaal Peh (Gemara) only the RaMbaM recorded it.The nature of our calendar and the reason for its mystery.The combination of the Solar (normal constant) and the Lunar (variable) calendars, we join the constant and the...