9 On the eighth day they held an assembly, for they had celebrated the dedication of the altar for seven days and the festival for seven days more.

Read 2 Chronicles 7:9 Using Other Translations

And in the eighth day they made a solemn assembly: for they kept the dedication of the altar seven days, and the feast seven days.
And 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.
On the eighth day they had a closing ceremony, for they had celebrated the dedication of the altar for seven days and the Festival of Shelters for seven days.