Q: WHAT YEAR DID JEHOAHAZ'S REIGN END 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 782 BC.
On the Hebrew calendar, sometimes called the biblical calendar, the year was 3265 AM.
2 Kings 13:1 New King James Version (NKJV)
13 In the twenty-third year of Joash[a] the son of Ahaziah, king of Judah, Jehoahaz the son of Jehu became king over Israel in Samaria, and reigned seventeen years.