Numbers 29:35
On the eighth day you must hold a religious assembly. Do no daily work.
Leviticus 23:36
Bring a sacrifice by fire to Jehovah for seven consecutive days. On the eighth day there will be a holy assembly. Bring Jehovah a sacrifice by fire. This is the last festival of the year. Do not do any regular work.
John 7:37-39
On the last day, the great day of the feast, Jesus stood and shouted in a loud voice: If any man thirst let him come to me and drink.
Revelation 7:9-17
After this I saw a great crowd that no man could number. It was from all nations, and tribes, and people, and tongues. It stood before the throne, and before the Lamb, clothed with white robes. They had palm branches in their hands.