| Return of Upper Year Seminarians Attending the Entrance Retreat | Saturday, September 15th, 2012 |
| Solemnization of the Feast of St. Pius X | Sunday, September 16th, 2012 |
| Opening Retreat | Sunday, September 16th – 22nd |
| First Day of Classes | Tuesday, September 25th |
| Feast of St. Michael, Brothers’ Vows | Saturday, September 29th |
| Entrance of Humanities and Spirituality | Saturday, October 6th |
| Retreat of “First Years” | Sunday, October 7th – 13th |
| Classes Begin for Humanities and Spirituality | Tuesday, October 16th |
| Pilgrimage to Lourdes (Deacons) | Tuesday, October 23rd - 30th |
| Feast of All Saints | Thursday, November 1st |
| All Souls' Solemn High Requiem | Friday, November 2nd |
| Thanksgiving | Thursday, November 22nd |
| Immaculate Conception | Saturday, December 8th |
| Christmas Vacation | Wednesday, December 26th – Wednesday, January 9th, 2013 |
| First Semester Exams Begin | Monday, January 28th |
| Reception of Cassock and Tonsure | Saturday, February 2nd |
| Priests’ Meeting | Monday, February 4th – 8th |
| Semester Break | Saturday, February 9th - 12th |
| Ash Wednesday | Wednesday, February 13th |
| Feast of St. Thomas Aquinas | Thursday, March 7th |
| Ordinations to the Minor Orders | Friday, March 15th |
| "Sitientes": Ordinations to the Subdiaconate | Saturday, March 16th |
| Feast of St. Joseph | Tuesday, March 19th |
| Easter | Sunday, March 31st |
| Easter Vacation | Monday, April 1st – 13th |
| Ascension | Thursday, May 9th |
| Second Semester Exams Begin | Saturday, June 8th |
| Ordinations to the Priesthood and Diaconate | Friday, June 21st |
| First Masses | Saturday, June 22nd |
| Seminarians' Departure | Tuesday, June 25th |