On November 21 (Old Style)/ December 4 (New Style), the Church celebrates one its twelves main feasts. During Matins, the katavasia of the canon consist of the Irmosoi of the feast of the Holy Nativity. Thus in this way, the faithful hear for the first time, hymns of the upcoming feast. As we approach the feast, the Church more and more reveals to us hymns from the service of Nativiy, thus preparing us gradually for the celebration. On this day, His Grace, Bishop Luke, celebrated the Divine Liturgy, along with the monastery clergy.