If they are celebrating Mardi Gras at that time then they are WAY out of cycle. Mardi Gras is the official ending of the pre-Lenten period that leads up to Easter. It is traditionally the last fling. The day following Mardi Gras in the Catholic Church anyway is Ash Wednesday and the beginning of Lent. Lent of course ends on Easter Sunday. There certainly should NOT be any bacchanalian celebrations going on during this time.