Q: WHAT YEAR DID JEHOAHAZ BEGIN HIS REIGN IN ISRAEL?
A: IT DEPENDS WHAT CALENDAR YOU ARE USING!
On the Gregorian calendar (the one you might have on your wall) the year was 798 BC.
On the Hebrew calendar, sometimes called the biblical calendar, the year was 3249 AM.
2 Kings 13:1 – In the three and twentieth year of Joash the son of Ahaziah king of Judah Jehoahaz the son of Jehu began to reign over Israel in Samaria, and reigned seventeen years.