Haec dies
Text Transcription and English translation from the Latin

Haec dies quam fecit Dominus
exultemus et laetemur in ea. Alleluia.

Confitemini Domino quoniam bonus
quoniam in saeculum misericordia ejus.

This is the day which the Lord has made;
let us rejoice and be glad in it. Alleluia.

Give thanks to the Lord; for his goodness
and mercy endures for generations.