Exodus 19:1
In the third month of the going out of the sons of Israel from the land of Egypt, in this day they have come into the wilderness of Sinai,
Exodus 12:6
'And it hath become a charge to you, until the fourteenth day of this month, and the whole assembly of the company of Israel have slaughtered it between the evenings;
Exodus 16:1
And they journey from Elim, and all the company of the sons of Israel come in unto the wilderness of Sin, which is between Elim and Sinai, on the fifteenth day of the second month of their going out from the land of Egypt.
Numbers 33:15
And they journey from Rephidim, and encamp in the wilderness of Sinai;
Exodus 12:2
This month is to you the chief of months -- it is the first to you of the months of the year;
Leviticus 23:16-18
unto the morrow of the seventh sabbath ye do number fifty days, and ye have brought near a new present to Jehovah;