'Thirty eighth' in the Bible

Now Ahab son of Omri became king over Israel in the thirty-eighth year of Asa king of Judah. Ahab son of Omri reigned over Israel in Samaria twenty-two years.

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