2 Chronicles 7:7-9

7Moreover Solomon hallowed the middle of the court that was before the house of Yhwh: for there he offered burnt offerings, and the fat of the peace offerings, because the brasen altar which Solomon had made was not able to receive the burnt offerings, and the grain offerings, and the fat.

8Also at the same time Solomon kept the feast seven days, and all Israel with him, a very great congregation, from the entering in of Hamath unto the river of Egypt. 9And in the eighth day they made a solemn assembly: for they kept the dedication of the altar seven days, and the feast seven days.1