Triduum in Honor of St. Therese by The Carmelites of Philadelphia | Aug 30, 2014 | Events, News | 0 comments We invite you to join us for: The Triduum in Honor of St. Therese. It will be held on September 29th, 30th and October 1st. The Rosary and Litany at 6:45 p.m. The Holy Sacrifice of the Mass at 7:30 p.m. Thank you.