'Months' in the Bible

In the thirty-eighth year of Azariah king of Judah, Zechariah the son of Jeroboam reigned over Israel in Samaria, six months.

Jehoahaz was twenty-three years old when he began to reign; and he reigned three months in Jerusalem; and his mother's name was Hamutal, daughter of Jeremiah of Libnah.

Jehoiachin was eighteen years old when he began to reign; and he reigned three months in Jerusalem; and his mother's name was Nehushta, daughter of Elnathan of Jerusalem.