John 7:37-39

On the last day, that great day of the feast, Jesus stood and cried out, "If anyone thirsts, let him come to me and drink.

Revelation 7:9-17

After this I looked, and behold, a great multitude which no one could count, from every nation and all tribes and peoples and tongues, standing before the throne and before the Lamb, clothed in white robes, and palm branches were 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
On the last day, that great day of the feast, Jesus stood and cried out, "If anyone thirsts, let him come to me and drink.
Revelation 7:9
After this I looked, and behold, a great multitude which no one could count, from every nation and all tribes and peoples and tongues, standing before the throne and before the Lamb, clothed in white robes, and palm branches were in their hands;