The confessionals at St. Mary's are located in the Hannigan Chapel (adjacent to the main church).
Monday: 4:30* - 5:00 pm
Tuesday: 4:30 - 5:00 pm
Wednesday: 4:30 - 5:00 pm, and 8:30 - 9:30 pm
Thursday: 4:30 - 5:00 pm
Friday: 4:30 - 5:00 pm
Saturday: 4:00 - 5:15 pm
While not the same thing as confession, Spiritual Direction is also offered to help you guide and deepen your spiritual life. More info about that here.