2 Kings 16:1 - John Gill's Exposition of the Entire Bible

In the seventeenth year of Pekah the son of Remaliah Ahaz the son of Jotham king of Judah began to reign. Jotham began to reign in the second of Pekah, and he reigned sixteen years, and therefore his last year would fall in the eighteenth of Pekah; but as his first year might be at the beginning of the second of Pekah, his last was towards the end of the seventeenth of Pekah's, as here; see 2 Kings 15:32.