Joel 1:14

Set apart a fast; call a solemn gathering; gather the elders and all the people of the land into the house of Jehovah your God, and cry to the Lord,

Joel 2:15-16

Blow a trumpet in Zion, sanctify a fast, call a solemn gathering.

Jonah 3:8

But let man and animal be covered with sackcloth, and cry mightily to God. And let them each one turn from his evil way, and from the violence that is in their hands.

Leviticus 23:36

Seven days you shall offer a fire offering to Jehovah. On the eighth day shall be a holy convocation to you. And you shall offer a fire offering to Jehovah. It is a solemn assembly. And you shall do no work of labor.

Deuteronomy 29:10-11

You stand today, all of you, before Jehovah your God; your captains of your tribes, your elders, and your officers, all the men of Israel,

2 Chronicles 20:3-4

And Jehoshaphat feared and set himself to seek Jehovah, and called for a fast throughout all Judah.

2 Chronicles 20:13

And all Judah stood before Jehovah with their little ones, their wives, and their sons.

Nehemiah 8:18

Also day by day, from the first day until the last day, he read in the Book of the Law of God. And they kept the feast seven days, and on the eighth was an assembly, according to the Law.

Nehemiah 9:2-3

And the seed of Israel separated themselves from all strangers, and stood and confessed their sins and the sins of their fathers.

Treasury of Scripture Knowledge

Summary

Sanctify ye 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,

Cry

Bible References

Sanctify

Joel 2:15
Blow a trumpet in Zion, sanctify a fast, call a solemn gathering.
2 Chronicles 20:3
And Jehoshaphat feared and set himself to seek Jehovah, and called for a fast throughout all Judah.

The elders

Deuteronomy 29:10
You stand today, all of you, before Jehovah your God; your captains of your tribes, your elders, and your officers, all the men of Israel,
2 Chronicles 20:13
And all Judah stood before Jehovah with their little ones, their wives, and their sons.
Nehemiah 9:2
And the seed of Israel separated themselves from all strangers, and stood and confessed their sins and the sins of their fathers.

Cry

Jonah 3:8
But let man and animal be covered with sackcloth, and cry mightily to God. And let them each one turn from his evil way, and from the violence that is in their hands.