Multi-Translation Layout:  

Psalm 81:3

3 Blow the trumpet at the New Moon,
at the full moon, on our feast day.

Psalm 81:3

3 Trumpets and trombones and horns: it's festival day, a feast to God!

Psalm 81:3

3 Blow up the trumpet in the new moon, in the time appointed, on our solemn feast day.

Psalm 81:3

3 Blow the trumpet at the new moon, at the set time, on our feast day: