Q: WHAT YEAR DID JEROBOAM II END 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 729 BC.
On the Hebrew calendar, sometimes called the biblical calendar, the year was 3318 AM.
2 Kings 14:23 - In the fifteenth year of Amaziah the son of Joash king of Judah Jeroboam the son of Joash king of Israel began to reign in Samaria, and reigned forty and one years.