Blow the trumpet in Zion,.... For the calling of the people together to religious duties, which was one use of the silver trumpets made for and blows by the priests, Numbers 10:2;
sanctify a fast, call a solemn assembly; Joel 1:14.
Related Commentaries of Joel 2:15
Joel 2:15
15 Blow the trumpet in Zion, sanctify a fast, call a solemn assembly: