Monday, September 12
| 4:00 pm | Registration opens (Co-Cathedral of St Patrick) |
| 5:00 pm |
Opening Mass of the Holy Name of Mary
Co-Cathedral of St. Patrick, Billings Montana / Celebrated by Bishop Michael Warfel |
| 6:30 pm | Welcome and opening remarks—Fr. Theodore Lange |
| 6:40 pm |
Lecture I—Archbishop Thomas E. Gullickson
“Our Faith: The Holy Trinity” |
| 7:30 pm | Opening reception (Co-Cathedral of St Patrick) |
Tuesday, September 13
| 6:00 am | Private Masses until 7:45am (St. Anthony Church) |
| 7:30 am | Registration (St. Anthony Community Hall) |
| 7:30 am | Holy Rosary (St. Anthony Church) |
| 8:00 am | Opening Remarks—Fr. Theodore Lange |
| 8:10 am |
Lecture II—Aaron Riches, PhD "The Father’s Gift of the Son: Trinity and Adoration" |
| 9:10 am |
Lecture III—Lynne Bissonnette-Pitre MD, PhD “Liturgical Sacred Music: The Love Song of The Holy Trinity” |
| 10:10 am | Coffee Break |
| 10:30 am |
Lecture IV—Fr. Ryan Erlenbush “These Three are One: The Trinity in the Johannine Writings” |
| 11:30 am | Angelus and Lunch |
| 1:00 pm |
Lecture V—Fr. Joseph Levine “St Thomas Aquinas on the Image of the Trinity in the Soul” |
| 2:00 pm |
Lecture VI—Fr. Joshua Clifton “The Historical Development of the Doctrine of the Holy Trinity” |
| 3:00 pm | Coffee break |
| 4:00 pm | Sacrament of Reconciliation available until 5pm (St. Anthony Church) |
| 4:30 pm | Organ Recital with Taylor J. Giese (St. Anthony Church) |
| 5:00 pm |
Solemn Mass of the Holy Trinity St. Anthony Church, Celebrated by Fr. Bart Stevens |
Wednesday, September 14
| 6:00 am | Private Masses until 7:45am (St. Anthony Church) |
| 7:30 am | Holy Rosary (St. Anthony Church) |
| 8:00 am | Opening Remarks—Fr. Theodore Lange |
| 8:10 am |
Lecture VII—Msgr. Richard Huneger “The Ancient Liturgical Witness to Trinitarian Prayer” |
| 9:10 am |
Lecture VIII—Sr. Caritas Marie, MSSR “Our Mother Mary of The Holy Trinity” |
| 10:10 am | Coffee Break |
| 10:30 am |
Lecture IX—Kevin Clarke, PhD “The Trinity and Patristic Exegesis: How the Fathers Interpreted the Scriptures in a Trinitarian Key” |
| 11:30 am | Angelus and Lunch |
| 1:00 pm |
Lecture X—Aaron Riches, PhD “St. Cyril and the Council of Chalcedon” |
| 2:00 pm |
Lecture XI—Juan Navarrete “The Theology of Liturgical Vestments” |
| 3:00 pm | Coffee break |
| 3:15 pm | Faculty Panel—Question and Answer Forum (Part 1) |
| 4:00 pm | Sacrament of Reconciliation available until 5pm (St. Anthony Church) |
| 5:15 pm |
Pontifical Mass of The Exaltation of the Holy Cross Eucharistic Procession with Relic of the Holy Cross St. Anthony Church, Celebrated by Archbishop Thomas E. Gullickson |
Thursday, September 15
| 6:00 am | Private Masses until 7:45am (St. Anthony Church) |
| 7:30 am | Holy Rosary (St. Anthony Church) |
| 8:00 am | Opening Remarks—Fr. Theodore Lange |
| 8:10 am |
Lecture XII—Fr. Ryan Erlenbush “Made High Priest Forever: The Trinity Revealed in the Priesthood of Jesus Christ and His Ministers” |
| 9:10 am |
Lecture XIII—Sr. Mary Regina MSSR, PhD “St Elizabeth of the Holy Trinity and Mystical Revelation” |
| 10:10 am | Coffee Break |
| 10:30 am |
Lecture XIV—Fr. Joseph Levine “The Human Person as the Dwelling Place of The Holy Trinity; Living in the Image in Contemplation and Action” |
| 11:30 am | Angelus and Lunch |
| 1:00 pm |
Lecture XV—John O'Neill, PhD
“The Invisible Mission of the Holy Spirit within the Eucharistic Sacrifice of Christ and His Church” |
| 2:00 pm |
Lecture XVI—Fr. Bart Stevens
“The Triumph of the Holy Trinity Over the Kingdom of Darkness” |
| 3:00 pm | Coffee Break |
| 3:15 pm | Faculty Panel—Question and Answer Forum (Part 2) |
| 4:00 pm | Sacrament of Reconciliation available until 5pm (St. Anthony Church) |
| 5:00 pm |
Solemn Mass of The Seven Sorrows of Mary St. Anthony Church, Celebrated by Fr. Joshua Clifton |
| 7:00 pm | Banquet Dinner |
All of the lectures from Tuesday forward will be in the St. Anthony Community Hall.
St. Anthony Catholic Church and Community Hall—700 Third Ave, Laurel, MT
Co Cathedral of St Patrick—215 N 31st St, Billings, MT