This feast is celebrated on September 14th

The liturgical color is red

The Proper of the mass is at DWM pg. 829

The Gloria is said (and also the Creed when this Feast falls on a Sunday)

The Preface is the Preface of Passiontide (DWM pg. 592)

On this day, it is fitting to conclude Mass with the Litany of the Holy Cross and with the adoration of the parish's relic of the True Cross (draped with a red stole, according to tradition).