In the twenty-seventh year of Asa’s reign over Judah, Zimri reigned in Tirzah for seven days. Now the troops were encamped against Gibbethon of the Philistines,
— 1 Kings 16:15
So in the twenty-seventh year of Asa’s reign over Judah, Zimri went in, struck Elah down, and killed him. And Zimri reigned in his place.