15
aBlow a trumpet in Zion,
bConsecrate a fast, proclaim a solemn assembly,
a
Numbers 10:3, 2 Kings 10:20
Numbers 10
3
"aWhen both are blown, all the congregation shall gather themselves to you at the doorway of the tent of meeting.
2 Kings 10
20
And Jehu said, "aSanctify a solemn assembly for Baal." And bthey proclaimed it.
Other references for Joel 2:15