Deuteronomy 16:8
Six days thou shalt eat unleavened bread; and on the seventh day shall be a solemn assembly to Jehovah thy God; thou shalt do no work therein .
Leviticus 23:36
Seven days ye shall offer an offering made by fire unto Jehovah: on the eighth day shall be a holy convocation unto you; and ye shall offer an offering made by fire unto Jehovah: it is a solemn assembly; ye shall do no servile work.
Exodus 12:15-16
Seven days shall ye eat unleavened bread; even the first day ye shall put away leaven out of your houses: for whosoever eateth leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.
Exodus 13:6-8
Seven days thou shalt eat unleavened bread, and in the seventh day shall be a feast to Jehovah.
Leviticus 23:6-8
And on the fifteenth day of the same month is the feast of unleavened bread unto Jehovah: seven days ye shall eat unleavened bread.
Numbers 28:17-19
And on the fifteenth day of this month shall be a feast: seven days shall unleavened bread be eaten.
2 Chronicles 7:9
And on the eighth day they held a solemn assembly: for they kept the dedication of the altar seven days, and the feast seven days.
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 ordinance.
Joel 1:14
Sanctify a fast, call a solemn assembly, gather the old men and all the inhabitants of the land unto the house of Jehovah your God, and cry unto Jehovah.