4 If you blow only one trumpet, the leaders should meet before you.
5 When you blow the trumpets once, the tribes camping on the east should move.
6 When you blow them again, the tribes camping on the south should move. The sound will tell them to move.
7 When you want to gather the people, blow the trumpets. But don’t blow them the same way.
8 “Aaron’s sons, the priests, should blow the trumpets. This is a law for you and your descendants from now on.
9 You might be fighting an enemy who attacks you in your own land. Blow the trumpets. The Lord your God will remember you. He will save you from your enemies.
10 Also blow your trumpets at happy times. Blow them during your feasts and at New Moon festivals. Blow them over your burnt offerings and fellowship offerings. They will help you remember your God. I am the Lord your God.”