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