Joel 1:14

Solemnize a fast! Call an assembly! Gather [the] elders, all [of] the inhabitants of the land [in] the house of Yahweh your God, and cry out to Yahweh.

Joel 2:15-16

Blow [the] trumpet in Zion, sanctify a fast, call an assembly;

Jonah 3:8

And [the] human beings and [the] animals must be covered [with] sackcloth! And they must call forcefully to God, and each must turn from his evil way and from the violence that is in his hands.

Leviticus 23:36

[For] seven days you must present an offering made by fire to Yahweh. On the eighth day it shall be a holy assembly for you, and you shall present an offering made by fire to Yahweh; it [is] a celebration; you must not do {any regular work}.

Deuteronomy 29:10-11

"You [are] standing {today}, all of you, {before} Yahweh your God, your leaders, your tribes, your elders, and your officials, all the men of Israel,

2 Chronicles 20:3-4

Then Jehoshaphat was afraid and set his face to seek Yahweh. And he called for a fast through all Judah.

2 Chronicles 20:13

And all Judah was standing before Yahweh, [and] also their little children, their wives, and their children.

Nehemiah 8:18

And he read from the scroll of the law of God day by day from the first day up to the last day. They celebrated the festival for seven days, and on the eighth day there was an assembly according to the rule.

Nehemiah 9:2-3

Those of the seed of Israel separated themselves from all of the foreigners and stood and confessed their sins and the iniquities of their ancestors.

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 an assembly;
2 Chronicles 20:3
Then Jehoshaphat was afraid and set his face to seek Yahweh. And he called for a fast through all Judah.

The elders

Deuteronomy 29:10
"You [are] standing {today}, all of you, {before} Yahweh your God, your leaders, your tribes, your elders, and your officials, all the men of Israel,
2 Chronicles 20:13
And all Judah was standing before Yahweh, [and] also their little children, their wives, and their children.
Nehemiah 9:2
Those of the seed of Israel separated themselves from all of the foreigners and stood and confessed their sins and the iniquities of their ancestors.

Cry

Jonah 3:8
And [the] human beings and [the] animals must be covered [with] sackcloth! And they must call forcefully to God, and each must turn from his evil way and from the violence that is in his hands.