'Month' in the Bible
Solomon had twelve officers over all Israel, who provided food for the king and his household: each man had to make provision for a month in the year.
Those officers provided food for king Solomon, and for all who came to king Solomon's table, every man in his month; they let nothing be lacking.
He sent them to Lebanon, ten thousand a month by courses; a month they were in Lebanon, and two months at home; and Adoniram was over the men subject to forced labor.
It happened in the four hundred and eightieth year after the children of Israel were come out of the land of Egypt, in the fourth year of Solomon's reign over Israel, in the month Ziv, which is the second month, that he began to build the house of Yahweh.
In the fourth year was the foundation of the house of Yahweh laid, in the month Ziv.
In the eleventh year, in the month Bul, which is the eighth month, was the house finished throughout all its parts, and according to all its fashion. So was he seven years in building it.
All the men of Israel assembled themselves to king Solomon at the feast, in the month Ethanim, which is the seventh month.
Jeroboam ordained a feast in the eighth month, on the fifteenth day of the month, like the feast that is in Judah, and he went up to the altar; so did he in Bethel, sacrificing to the calves that he had made: and he placed in Bethel the priests of the high places that he had made.
He went up to the altar which he had made in Bethel on the fifteenth day in the eighth month, even in the month which he had devised of his own heart: and he ordained a feast for the children of Israel, and went up to the altar, to burn incense.