Charles Ellicott Commentary 2 Kings 15:8

"In the thirty and eighth year of Azariah king of Judah did Zechariah the son of Jeroboam reign over Israel in Samaria six months." — 2 Kings 15:8 (ASV)

THE REIGNS OF ZACHARIAH AND SHALLUM IN SAMARIA.

In the thirty-eighth year of Azariah. —This agrees with the assumption that Jeroboam reigned fifty-one years (2 Kings 14:23).