2 Chronicles 20:3-4

3Then Jehoshaphat was afraid and set his face ato seek the Lord, and bproclaimed a fast throughout all Judah. 4And Judah assembled to seek help from the Lord; from all the cities of Judah they came to seek the Lord.

Joel 2:15-16

15 cBlow the trumpet in Zion;
dconsecrate a fast;
call a solemn assembly;
16gather the people.
eConsecrate the congregation;
assemble the elders;
fgather the children,
even nursing infants.
gLet the bridegroom leave his room,
and the bride her chamber.
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