Numbers 10:9-11

Common English Bible

⁹ When you go to war in your land against an enemy who is attacking you, you will blow short blasts with the trumpets so that you may be remembered by the Lord your God and be saved from your enemies.

¹⁰ On your festival days, your appointed feasts, and at the beginning of your months, you will blow the trumpets over your entirely burned offerings and your well-being sacrifices. They will serve as a reminder of you to your God. I am the Lord your God.

Organization of the wilderness march

¹¹ On the twentieth day of the second month in the second year, the cloud ascended from the covenant dwelling.