'Seventh Year' in the Bible

And Zimri went in, and smote him and slew him, in the twenty-seventh year of Asa king of Judah, - and reigned in his stead.

In the twenty-seventh year of Asa king of Judah, did Zimri reign, seven days in Tirzah, - but, the people, were encamped against Gibbethon, which belonged to the Philistine.