23 The whole assembly took counsel to keep another seven days, and they kept another seven days with gladness.
2 Chronicles 30:23 Cross References - WEB
1 Kings 8:65
65 So Solomon held the feast at that time, and all Israel with him, a great assembly, from the entrance of Hamath to the brook of Egypt, before Yahweh our God, seven days and seven more days, even fourteen days.
2 Chronicles 7:9
9 On the eighth day, they held a solemn assembly; for they kept the dedication of the altar seven days, and the feast seven days.