'Of The Month' in the Bible

And they kept the Passover in the first [month], on the fourteenth day of the month, at evening, in the wilderness of Sinai. According to all that LORD commanded Moses, so did the sons of Israel.

And it came to pass in the second year, in the second month, on the twentieth day of the month, that the cloud was taken up from over the tabernacle of the testimony.

And in the first month, on the fourteenth day of the month, is LORD's Passover.

And in the seventh month, on the first day of the month, ye shall have a holy convocation. Ye shall do no servile work. It is a day of blowing of trumpets to you.

And Aaron the priest went up onto mount Hor at the commandment of LORD, and died there, in the fortieth year after the sons of Israel came out of the land of Egypt, in the fifth month, on the first day of the month.