Study Shabbat folio 87B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
the 6th day from their encampment. Rav Aḥa bar Ya’akov said: The 6th day from the start of their journey. They left Refidim and arrived and camped in the desert on the same Sunday. And Rava and Rav Aḥa bar Ya’akov disagree with regard to the mitzva of Shabbat commanded to the Jewish people at Mara
Come and hear an additional proof with regard to the day of the revelation at Sinai from what was taught in a baraita: In the month of Nisan during which the Jewish people left Egypt, on the 14th, they slaughtered their Paschal lambs; on the 15th, they left Egypt; and in the evening, the firstborn
The Talmud answers: The Rabbis could have said to you that a day was added to Iyyar that year and it was 30 days long. The New Moon was determined by testimony of witnesses who saw the new moon, together with astronomical calculations that the testimony was feasible. Therefore, Iyyar could be 30 day
Iyyar was lacking, i.e., it was 29 days long, and the New Moon of Sivan occurred on the first day of the week. This is difficult according to the opinion of the Rabbis. The Talmud answers: Whose is the opinion in this baraita? It is the opinion of R' Yosei. Therefore, this baraita poses no diffi
Rav Pappa said: Come and hear a different proof from another verse, as it is stated: “And they took their journey from Elim, and all the congregation of the children of Israel came unto the wilderness of Sin, which is between Elim and Sinai, on the 15th day of the 2nd month after their departing out