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.

Joel 2:15-16

Blow the trumpet in Zion, sanctify a fast, call a solemn assembly:

Jonah 3:8

But let man and beast be covered with sackcloth, and cry mightily unto God: yea, let them turn every one from his evil way, and from the violence that is in their hands.

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.

Deuteronomy 29:10-11

You stand this day all of you before the LORD your God; your heads of your tribes, your elders, and your officers, with all the men of Israel,

2 Chronicles 20:3-4

And Jehoshaphat feared, and set his face to seek the LORD, and proclaimed a fast throughout all Judah.

2 Chronicles 20:13

And all Judah stood before the LORD, with their little ones, their wives, and their children.

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.

Nehemiah 9:2-3

And the descendants of Israel separated themselves from all strangers, and stood and confessed their sins, and the iniquities 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 the trumpet in Zion, sanctify a fast, call a solemn assembly:
2 Chronicles 20:3
And Jehoshaphat feared, and set his face to seek the LORD, and proclaimed a fast throughout all Judah.

The elders

Deuteronomy 29:10
You stand this day all of you before the LORD your God; your heads of your tribes, your elders, and your officers, with all the men of Israel,
2 Chronicles 20:13
And all Judah stood before the LORD, with their little ones, their wives, and their children.
Nehemiah 9:2
And the descendants of Israel separated themselves from all strangers, and stood and confessed their sins, and the iniquities of their fathers.

Cry

Jonah 3:8
But let man and beast be covered with sackcloth, and cry mightily unto God: yea, let them turn every one from his evil way, and from the violence that is in their hands.