July 18 - Eastern Orthodox Church calendar - July 20

All fixed commemorations below are celebrated on August 1 by Old Calendar.^{[note 1]}

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

• Venerable Abba Diocles of the Thebaid (4th century)^[1][2][3]
• Venerable Macrina the Younger, sister of Saints Basil the Great and Gregory of Nyssa (380)^{[1][3][4][5][6][note 2]}
• Venerable Dius of Antioch, Abbot, Wonderworker (c. 430)^{[1][3][8][9][10][11]}
• The Venerable 4 (or 40) fellow ascetics.^[10][12][13]
• Saint Gregory of Panedus, Bishop of Panedus, New Confessor for the holy icons’ sake.^{[3][10][13][14][note 3]}
• Venerable Theodore the Sabbaite, Archbishop of Edessa in Mesopotamia (848)^{[1][3][10][13][15]} (see also: July 9)
• Venerable Michael, ascetic at the Holy Lavra of Saint Sabbas and the nephew of Venerable Theodore the Sabbaite the Bishop of Edessa.^[3][13][16]

• Saint Martin of Trier, tenth Bishop of Trier in Germany and possibly a martyr (c. 210)^{[17][note 4]}
• Saints Justa and Rufina of Seville, two sisters, potters by trade, martyred under Diocletian and venerated as the main patron-saints of Seville (287)^{[10][17][note 5]}
• Saint Arsenius the Great of Scetis, an anchorite in Egypt and one of the most highly regarded Desert Fathers (c. 449)^{[17][18][note 6][note 7]} (see also: May 8)
• Saint Felix of Verona (Felicinus, Felice), Bishop of Verona in Italy, venerated from ancient times as a saint.^[7][17]
• Saint Symmachus, Pope of Rome (514)^{[17][19][note 8][note 9]}
• Saint Ambrose Autpertus, a Frankish Benedictine abbot (c. 778)^{[17][note 10]}
• Saint Jerome of Pavia, Bishop of Pavia in Italy (787)^[17]
• Saint Aurea of Córdoba (Aura), a nun at Santa María de Cuteclara de Córdoba, martyred by beheading (856)^{[10][17][note 11][note 12]}

• Blessed Romanus of Ryazan, Prince of Ryazan (1270)^{[1][10][20][21][note 13]}
• Venerable Paisius of Kiev Far Caves (14th century)^{[1][10][13][21][22]}
• Blessed King Stefan Lazarević of Serbia (1427), and his mother St. Milica of Serbia (Eugenia in schema) (1405)^{[1][10][21][23][24]}
• Saint Sophronius (Smirnov), Archimandrite, of Svyatogorsk Monastery (1921)^{[1][note 14]}

• Icon of the Most Holy Theotokos "Umileniye" ("of Tender Feeling") of Diveyevo Convent (1885)^[25] (see also: July 28)
• Uncovering of the relics (1903) of Venerable Seraphim of Sarov, Wonderworker (1833)^{[1][10][13][21][26]}
• Commemoration of the miracle (1944) of Hieromartyr Charalampus (202), who saved the residents of Erana-Filiatra in Messinia from certain death.^[27]
• Synaxis of the Saints of Kursk.^[1][21][28]
• Repose of Hiero-Schemamonk Anthony of Valaam (1862)^[1]
• Repose of Blessed Abbot Nilus, of St. Nilus of Sora Monastery (1870)^{[1][note 15]}
• Repose of Elder John, of St. Nilus of Sora Monastery (1903)^[1]
• Repose of Archimandrite Nektary (Chernobyl) of Jerusalem (2000)^[1]

• Venerable Macrina the Younger.
• Sts. Justa and Rufina of Seville.
• St. Arsenius the Great of Scetis.
• St. Symmachus, Pope of Rome.
• St. Roman of Ryazan.
• Blessed King Stefan Lazarević of Serbia.
• St. Milica of Serbia (Eugenia in schema).
• Venerable Seraphim of Sarov.
• Hieromartyr Charalampus, Bishop of Magnesia in Asia Minor.