Q: WHAT YEAR DID PEKAHIAH 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 694 BC.
On the Hebrew calendar, sometimes called the biblical calendar, the year was 3353 AM.
2 Kings 15:23 – In the fiftieth year of Azariah king of Judah Pekahiah the son of Menahem began to reign over Israel in Samaria, and reigned two years.