“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 fifteenth day of the second month after their departing out of the land of Egypt.”
This is the eighth place wherein they had camped, there is another place called Zin, which was the 33rd place wherein they camped: and is also called Kadesh, Num. 33:36 .