'Eighth' in the Bible

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

Jehoiachin king of Judah, along with his mother, his servants, his commanders, and his officials, surrendered to the king of Babylon.So the king of Babylon took him captive in the eighth year of his reign.