(81-4) Blow the horn at the new moon, at the full moon for our feast-day.
King James Version (KJV) - Psalms 81:3 >Blow up the trumpet in the new moon, in the time appointed, on our solemn feast day.
Berean Study Bible (BSB) - Psalms 81:3 >Sound the ram’s horn at the New Moon, and at the full moon on the day of our Feast.