March 20 - Eastern Orthodox Church calendar - March 22
All fixed commemorations below are observed on April 3 by Orthodox Churches on the Old Calendar.
For March 21st, Orthodox Churches on the Old Calendar commemorate the Saints listed on March 8.
Martyrs Philemon and Domninus of Thessalonica, in Italy. (see also: March 26)
Saint Maria the Martyr, in Perge.
Saint Serapion, Bishop of Thmuis, Egypt (c. 358)
Venerable Serapion the Sindonite, monk of Egypt (4th century) (see also: May 14 - Slavonic)
Saint Sophronius, Abbot of the Monastery of St. Theodosius, in Palestine (542)
Saint Thomas, Patriarch of Constantinople (610)
Venerable James the Confessor (Jacob the Confessor), Bishop, of the Studion (late 8th century)
Saint Beryllus, Bishop of Catania (c. 90) (in Slavonic and Georgian calendars erroneously named as Cyril
Saint Lupicinus of Lyon, desert-dweller of the Jura Mountains, Gaul (480)
Saint Enda of Aran, Abbot of Arranmore, monk, earliest leader of Irish monasticism (530)
New Martyr Michael of Agrapha (Michael of Soluneia), at Thessalonica (1544 or 1547)
Venerable Seraphim of Vyritsa (1949)
New Martyrs and Confessors
New Hieromartyr Vladimir Vvedensky, Priest (1931)
New Hieromartyr Theodore (Pozdeyevsky), Archbishop (1938) (see also: October 10)
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