'Seventh Year' in the Bible

These are the people Nebuchadnezzar took into exile: in the seventh year, 3,023 Judeans;

In the first year of his reign, King Evil-merodach of Babylon, showed favor to King Jehoiachin of Judah by releasing him from prison on the twenty-fifth day of the twelfth month in the thirty-seventh year of the exile of King Jehoiachin of Judah.