John 7:37-39

And on the last day, the great day of the feast, Jesus stood and cried, saying, If any one thirsts, let him come to me and drink.

Revelation 7:9-17

After this I saw, and behold, a great multitude, which no man could number, of every nation and of all tribes and peoples and tongues, standing before the throne and before the Lamb, clothed with white robes, and having 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
And on the last day, the great day of the feast, Jesus stood and cried, saying, If any one thirsts, let him come to me and drink.
Revelation 7:9
After this I saw, and behold, a great multitude, which no man could number, of every nation and of all tribes and peoples and tongues, standing before the throne and before the Lamb, clothed with white robes, and having palm branches in their hands;