Commemoration of Venerable Mary of Egypt (522); (movable feast day on the 5th Sunday of Great Lent); Hieromartyr Mark, Bishop of Arethusa, Cyril the Deacon and those with him (circa 364); Saint John Anchorite of Egypt (4th century); Venerable Eustathius the Confessor, Bishop of Kios in Bithynia (9th century).