April 19 - Eastern Orthodox liturgical calendar - April 21 All fixed commemorations below are observed on May 3 by Eastern Orthodox Churches on the Old Calendar. For April 20th, Orthodox Churches on the Old Calendar commemorate the Saints listed on April 7. Saints Apostle Zacchaeus of the Seventy, Bishop of Caesarea in Palestine, he who was called down from the Sycamore tree by Jesus, according to the Gospel of Luke (1st century) Martyrs Acindinus, Antoninus, Victor, Zenon, Zoticus, Theonas, Caesareus, Severian and Christophoros (284-305) (see also: April 18 - Slavic) Venerable Theodore Trichinas ("the Hair-Shirt Wearer"), hermit near Constantinople (400) Saint Theotimus, Bishop of Tomis in Moesia (Lesser Scythia) (407) Blessed Gregory (593) and Anastasius I (599), Patriarchs of Antioch. Hieromartyr Anastasius II, Patriarch of Antioch (609) Venerable Anastasius Sinaita, Abbot of the Monastery of St. Catherine at Sinai (c. 700) (see also: April 21) Venerable Ioannis the Palaiolavritis ("of the Old Lavra"), at St. Chariton's Monastery, in the Judean Desert. (see also: April 19) Pre-Schism Western saints Martyrs Sulpicius and Servilian, martyrs in Rome who were beheaded under Trajan (c. 117) Saints Marcellinus of Embrun, Vincent and Domninus, born in North Africa, they went to France and preached in the Dauphiné (c. 374) Saint Marcian of Auxerre, a monk at the Monastery of Saints Cosmas and Damian in Auxerre (c. 470) Saint Cædwalla of Wessex (Cadwalla), King of the West Saxons (689) Saint Gundebert (Gumbert), monk-martyr (8th century) Saint Harduin, a monk at Fontenelle Abbey in France (749), then a hermit who copied writings of the Fathers (811) Saint Hugh of Anzy-le-Duc, a monk at Saint Savin (c. 930) Post-Schism Orthodox saints Venerable Saints Athanasius (1380) and Ioasaph (1422) of Meteora, Abbots. Venerable Alexander of Oshevensk, founder of Oshevensk Monastery, Arkhangelsk (1479) Child-Martyr Gabriel of Zabludov (Gabriel of Slutsk) (1690) New martyrs and confessors New Hiero-Confessor Theodosius (Ganitsky), Bishop of Kolomna (1937) Other commemorations "Cyprus" (392) and "Keepiazh" (Kipyazha) Icons of the Mother of God. Translation of the relics (1991) of St. Nikolai (Velimirovich), Bishop of Ochrid and Zhicha (1956) from America to Serbia. Repose of Schemamonk Ignatius of St. Nicephorus Monastery in Olonets (1852) Icon gallery Notes References Sources April 20 / May 3. Orthodox Calendar (pravoslavie.ru). May 3 / April 20. Holy Trinity Russian Orthodox Church (A parish of the Patriarchate of Moscow). April 20. OCA - The Lives of the Saints. The Autonomous Orthodox Metropolia