Exodus 19:1
In the third month, when the children of Israel were gone forth out of the land of Egypt, the same day came they into the wilderness of Sinai.
Exodus 12:6
And ye shall keep it up until the fourteenth day of the same month: and the whole assembly of the congregation of Israel shall kill it in the evening.
Exodus 16:1
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.
Numbers 33:15
And they departed from Rephidim, and pitched in the wilderness of Sinai.
Exodus 12:2
This month shall be unto you the beginning of months: it shall be the first month of the year to you.
Leviticus 23:16-18
Even unto the morrow after the seventh sabbath shall ye number fifty days; and ye shall offer a new meat offering unto the LORD.