third year of Hoshea. Hoshea began in the twelfth year of Ahaz. Therefore Hezekiah began in the fifteenth year of Ahaz. Ahaz reigned sixteen years, but was deposed by Shalmaneser (2 Kings 17:3; 2 Kings 17:4), who set up Hezekiah. Hezekiah rebelled (2 Kings 18:7), which shows he was under Assyria till then. See App-50.
Related Commentaries of 2 Kings 18:1
2 Kings 18:1
1 Now it came to pass in the third year of Hoshea son of Elah king of Israel, that Hezekiaha the son of Ahaz king of Judah began to reign.