John 7:37-39

Now on the last day, the great day of the feast, Jesus stood up and spake aloud, saying, If any man thirst, let him come unto me and drink.

Revelation 7:9-17

After these things I looked, and beheld a great multitude, which no man could number, out of every nation, and tribe, and people, and tongue, standing before the throne, and before the Lamb, clothed in white robes, and 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 feast, Jesus stood up and spake aloud, saying, If any man thirst, let him come unto me and drink.
Revelation 7:9
After these things I looked, and beheld a great multitude, which no man could number, out of every nation, and tribe, and people, and tongue, standing before the throne, and before the Lamb, clothed in white robes, and palm branches in their hands