Nehemiah 8:18
Also day by day, from the first day unto the last day, he read in the book of the law of God. And they kept the feast seven days; and on the eighth day was a solemn assembly, according unto the manner.
Cross-reference
Leviticus 23:36 prescribes a sacred assembly on the eighth day of the Feast of Booths — exactly what is observed here.
Numbers 29:35 also commands a sacred assembly on the eighth day of the Feast of Booths, observed here.
Deuteronomy 31:10-13 commands reading the Law at the Feast of Booths every seven years — here they obey that command, reading daily during the feast.
John 7:37 places Jesus' invitation on the last day of the Feast of Booths — the same eighth day sacred assembly here, pointing to Christ as fulfillment.
Leviticus 23:41 commands a seven-day celebration for the Feast of Booths — here they keep the feast for seven days.
Numbers 29:12 commands a seven-day feast for the Feast of Booths, observed here.
Deuteronomy 31:11 commands reading the Law at the Feast of Booths — Nehemiah 8:18 records this ordinance being observed.
2 Chronicles 7:9 describes a seven-day feast followed by an eighth day solemn assembly — the same pattern as Nehemiah 8:18 for the Feast of Booths.