2 Chronicles 7:8

7:8 At that time Solomon and all Israel with him celebrated a festival for seven days. This great assembly included people from Lebo Hamath in the north to the Brook of Egypt in the south.

2 Chronicles 30:22

30:22 Hezekiah expressed his appreciation to all the Levites, who demonstrated great skill in serving the Lord. They feasted for the seven days of the festival, and were making peace offerings and giving thanks to the Lord God of their ancestors.