Join the Catholic Community in Chapin Chapel in a celebration of the Liturgy. On the Solemnity ofThe Immaculate Conception the Church honors the immaculate conception of the Blessed Virgin Mary. Within the faith "Immaculate Conception" is a Holy Day of Obligation, a day set apart for worship and rest from labor. Reconciliation is offered before Mass in Chapin Lounge. Those in liturgical ministries arrive at Chapin around 4:30.