Leviticus 23:36
Seven days ye shall offer an offering made by fire unto the Lord: on the eighth day shall be an holy convocation unto you; and ye shall offer an offering made by fire unto the Lord: it is a solemn assembly; and ye shall do no servile work therein.
Cross-reference
Leviticus 23:39 repeats the instruction for this feast, emphasizing both the first and eighth days as solemn rests.
Numbers 29:12-38 provides the specific offerings for each day of the Feast of Tabernacles, including the eighth-day solemn assembly described here.
2 Chronicles 7:8-11 records Solomon's celebration of this feast, including the eighth-day solemn assembly, fulfilling the command.
Nehemiah 8:18 explicitly states the eighth-day assembly was kept 'according to the rule', directly fulfilling this command.
John 7:37 places Jesus' 'living water' invitation on the last day of the feast, identified here as the eighth-day solemn assembly.
Numbers 29:35 gives the same instruction for the eighth day of Tabernacles, reinforcing the sacred assembly command.
2 Chronicles 7:9 records the eighth day assembly at the temple dedication, fulfilling the festival command.
Deuteronomy 16:15 adds the promise of blessing and joy during the Feast of Tabernacles celebration.