Triduum to St Gemma in honor of Passionist feast day, May 16.
The Triduum (three days of prayer) in honor of St Gemma's Passionist feastday begins Saturday, May 14th. The feastday that the Passionist's celebrate every year in honor of St Gemma is May 16th. On this day there are special celebrations at Passionist monasteries and retreat houses throughout the world in honor of Saint Gemma, and numerous Memorial Masses are celebrated in her honor.
Also, the memorial Mass in honor of St Gemma can be found here.