'Seventh Year' in the Bible

In the twenty-seventh year of Judah’s King Asa, Zimri went in, struck Elah down, killing him. Then Zimri became king in his place.

In the twenty-seventh year of Judah’s King Asa, Zimri became king for seven days in Tirzah. Now the troops were encamped against Gibbethon of the Philistines.