John 7:37-39

Now on the last day, the great day, of the festival, Jesus stood and cried aloud, "If anyone is athirst, let him come to me and drink;

Revelation 7:9-17

After that I looked, and there was a great host whom no one could count, from every nation and tribe and people and tongue, standing before the throne and before the Lamb, clad in white robes, with palm-branches in their hands;

Treasury of Scripture Knowledge

Summary

On the eighth day ye shall have a solemn assembly: ye shall do no servile work therein:

Bible References

Eighth day

John 7:37
Now on the last day, the great day, of the festival, Jesus stood and cried aloud, "If anyone is athirst, let him come to me and drink;
Revelation 7:9
After that I looked, and there was a great host whom no one could count, from every nation and tribe and people and tongue, standing before the throne and before the Lamb, clad in white robes, with palm-branches in their hands;