2 Chronicles 7:8-9

8At that time Solomon held the feast for seven days, and all Israel with him, a very great assembly, from aLebo-hamath to the bBrook of Egypt. 9And on the eighth day they held a solemn assembly, for they had kept the dedication of the altar seven days and the feast seven days.

2 Chronicles 30:21-25

21And the people of Israel who were present at Jerusalem kept cthe Feast of Unleavened Bread seven days with great gladness, and the Levites and the priests praised the Lord day by day, singing with all their might
Compare 1 Chronicles 13:8; Hebrew  with instruments of might
to the Lord.
22And Hezekiah spoke eencouragingly to all the Levites who showed good skill in the service of the Lord. So they ate the food of the festival for seven days, sacrificing fpeace offerings and giving thanks to the Lord, the God of their fathers.

23Then the whole assembly agreed together to keep the feast gfor another seven days. So they kept it for another seven days with gladness. 24For Hezekiah king of Judah hgave the assembly 1,000 bulls and 7,000 sheep for offerings, and the princes gave the assembly 1,000 bulls and 10,000 sheep. And the priests iconsecrated themselves in great numbers. 25The whole assembly of Judah, and the priests and the Levites, jand the whole assembly that came out of Israel, and the sojourners who came out of the land of Israel, and the sojourners who lived in Judah, rejoiced.
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