Judges 11:37
And she said to her father, Let this thing be done for me: let me alone two months, that I may go up and down on the mountains, and mourn my virginity, I and my fellows.
Torrey's Topical Textbook—AKJV

1 Samuel 6:1
And the ark of the LORD was in the country of the Philistines seven months.
Torrey's Topical Textbook—AKJV

1 Kings 4:7
And Solomon had twelve officers over all Israel, which provided victuals for the king and his household: each man his month in a year made provision.
Torrey's Topical Textbook—AKJV