Parallel
Psalms 80:4
Swete's Septuagint · Berean Standard Bible
σαλπίσατε ἐν νεομηνίᾳ σάλπιγγι, ἐν εὐσήμῳ ἡμέρᾳ ἑορτῆς ἡμῶν,
81:3
Sound the ram’s horn at the New Moon, and at the full moon on the day of our Feast.