2 Samuel 15:7

And at the end of four years Absalom said to the king , Please let me go and pay my vow , which I have vowed to the Lord , in Hebron .

At the end of four years, Absalom said to the king, “Let me go to Hebron and fulfill a vow I made to the Lord.

And it came to pass after forty years, that Absalom said unto the king, I pray thee, let me go and pay my vow, which I have vowed unto the Lord, in Hebron.