Those who approach the sacrament of Penance obtain pardon by God's mercy for the offense committed against him, and are, at the same time, reconciled with the Church which 

they have wounded in their sins and which by charity, by example, and by prayer labors for their conversion. 

Catechism of the Catholic Church, Page 357

The opportunity for confession is provided every Saturday at 4:15. There are also other opportunities provided during Advent and Lent.