John 7:37-39

On the last, the great day of the feast, Jesus stood and cried, saying, If any man thirst, 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 all nations, and tribes, and people, and tongues, standing before the throne and before the Lamb, clothed with white robes and palms 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, the great day of the feast, Jesus stood and cried, saying, If any man thirst, 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 all nations, and tribes, and people, and tongues, standing before the throne and before the Lamb, clothed with white robes and palms in their hands.