Rosh Hashana 25
Rosh Hashana 25: Marc Chipkin: 2021-11-03 Rabban Gamliel\u2019s tradition regarding the length of a month. Rosh Chodesh is valid even when Beth Din chooses the wrong date. Rabban Gamliel forces his will on Rabbi Yehoshua. If the Beth Din alone saw the new moon, two of the judges should stand and testify before the others