On the Gregorian calendar (the one you might have on your wall) the year was 496 BC.
On the Hebrew calendar, sometimes called the biblical calendar, the year was 3551 AM.
2 Kings 25:27 Now it came to pass in the thirty-seventh year of the captivity of Jehoiachin king of Judah, in the twelfth month, on the twenty-seventh day of the month, that Evil-Merodach king of Babylon, in the year that he began to reign, released Jehoiachin king of Judah from prison.