16:23 In the thirty-first year of Asa king of Judah began Omri to reign over Israel, [and reigned] twelve years: six years reigned he in Tirzah.
-World English Bible
Other Translation
16:23 In the thirty and first year of Asa king of Judah began Omri to reign over Israel, twelve years: six years reigned he in Tirzah.
-King James Version