April 18 - Eastern Orthodox liturgical calendar - April 20

All fixed commemorations below are observed on May 2 by Eastern Orthodox Churches on the Old Calendar.^{[note 1]}

For April 19th, Orthodox Churches on the Old Calendar commemorate the Saints listed on April 6.

Saints

• Martyrs Theodore of Perge in Pamphylia, his mother Philippa, and Dioscorus, Socrates, and Dionysius (c. 138-161)^[1][2][3]
• Hieromartyr Paphnutius of Jerusalem and 546 companions martyred with him (284-305)^[1][4][5] (see also: September 25)
• Martyrs Hermogenes,^[6] Caius, Expeditus, Aristonicus, Rufus and Galatas, at Melitine, in Armenia.^{[7][note 2]}
• Martyrs Christopher, Theonas, and Antoninus, at Nicomedia (303)^[1][9][10] (see also: April 20)
• Saint George the Confessor, Bishop of Antioch in Pisidia, Confessor of the Faith (c. 741-775)^[1][11][12]
• Venerable John of the Ancient Caves in Palestine (8th century)^[1][10][13] (see also: April 20)
• Saint Tryphon of Constantinople, Patriarch of Constantinople (931)^[1][14][15]
• St. Nicephorus, Abbot of Katabad.^[1][10][16]

Pre-Schism Western saints

• Saint Vincent of Collioure, a martyr in Collioure in Languedoc in the south of France, under Diocletian (c. 304)^[8][17][18]
• Saint Crescentius, confessor, a subdeacon in Florence in Italy and a disciple of St Zenobius and St Ambrose (c. 396)^[8][17]
• Saint Ursmar, missionary bishop, founder of Aulne Abbey and Wallers Abbey (713)^{[8][17][note 3]}
• Saint Gerold, hermit at a village near Mitternach (978)^{[17][19][note 4][note 5]}
• Hieromartyr Alphege of Canterbury, Archbishop of Canterbury (1012)^{[1][8][17][20][21][22][note 6]}

Post-Schism Orthodox saints

• Venerable Symeon the Barefoot, of Philotheou Monastery, Mount Athos (1594)^[1][23][24]
• Venerable Joasaph (Bolotov) of Kodiak, Enlightener of Alaska and the American land (1799)^[25][26]
• New Monk-martyr Agathangelus of Esphigmenou Monastery, Mt. Athos, at Smyrna (1819)^[1][27][28]
• Saint Matrona the Blind, of Moscow (1952)^[1][10][25]
• Venerable Sebastian the Confessor of Optina and Karaganda (Elder Sebastian of Optina), Wonderworker and Clairvoyant, last of the great Optina Elders (1966)^{[29][note 7]} (see also: April 6)

New martyrs and confessors

• New Hiero-confessor Victor (Ostrovidov), Bishop of Glazov (1934)^{[1][10][30][note 8]}
• New Hieromartyr Demetrius Vlasenkov, Priest of Alma-Ata (1942)^[25][26]

Other commemorations

• Translation of the relics of Saint Moses the Wonderworker, Archbishop of Novgorod (1362)^{[31][note 9]}
• Uncovering of the relics (1621) of St. Joachim, founder of Opochka Monastery in Pskov (c. 1550)^[1][25]
• Repose of Fool-for-Christ Asenetha (Klementyeva) of Goritsy (1892)^[1][32][33]
• Repose of Hieroschemamonk and Schema-Metropolitan Alexis of Valaam (1900)^[1]

Icon gallery

• 
  Martyrs Theodore of Perge in Pamphylia, his mother Philippa, and Dioscorus, Socrates, and Dionysius.
• 
  Venerable John of the Ancient Caves.
• 
  Saint Gerold von Großwalsertal.
• 
  Hieromartyr Alphege of Canterbury, Archbishop of Canterbury.
• 
  Shrine of New Hiero-confessor Sebastian (Fomin).
• 
  New Hiero-confessor Victor (Ostrovidov), Bishop of Glazov.
• 
  Saint Moses the Wonderworker, Archbishop of Novgorod.