Template:March 21

Saint James the Confessor, Bishop of Catania; Saint Thomas, Patriarch of Constantinople; Saint Cyril, Bishop of Catania; Saint Serapion, Bishop of Thmuis in Lower Egypt; Saint Pachomius, monk of Nerekhta; Saint Lupicinus, desert-dweller of the Jura Mountains (Gaul); New-Martyr Archbishop Theodore Pozdeyev; Martyrs Philemon and Domnina of Rome; Venerable Seraphim of Vyritsa; New-martyr Michael; Saint Enda of Aran, father of Irish monasticism; Saint Berillos, Bishop of Catania