'Nine year' in the Bible

He was twenty-five years old when he became king, and he reigned twenty-nine years in Jerusalem. His mother’s name was Jehoaddin of Jerusalem.

In the twelfth year of Ahaz king of Judah, Hoshea the son of Elah became king over Israel in Samaria, and reigned for nine years.

He was twenty-five years old when he became king, and he reigned twenty-nine years in Jerusalem. His mother’s name was Abi the daughter of Zechariah.