April 18 (Eastern Orthodox liturgics)

April 17 - Eastern Orthodox liturgical calendar - April 19

All fixed commemorations below are observed on May 1 by Orthodox Churches on the Old Calendar.

For April 18th, Orthodox Churches on the Old Calendar commemorate the Saints listed on April 5.

Saints

 * Martyrs Victor, Zoticus, Zeno, Acindynus, and Severian, of Nicomedia (c. 303)  (see also: April 20 - Greek)
 * Martyr Sabbas the Goth (Sabbas Stratelates), at Buzau in Wallachia (372) (see also: April 12 and April 15)
 * Saint Acacius II, Bishop of Melitene (445)   (see also: April 17)
 * Saint Cosmas, Bishop of Chalcedon, and his fellow-ascetic St. Auxentius (815-820)
 * Venerable John the Righteous (John the Hesychast), disciple of St. Gregory of Decapolis (c. 820-850)
 * Venerable Naucratius, Abbot of the Studion (848)
 * Venerable Athanasia the Wonderworker, Abbess, of Aegina (850) (see also: April 12 - Slavic)
 * Venerable Matthew (Matthias), acquaintance of St. Athanasia the Wonderworker (c. 850)
 * Venerable Euthymius the Wonderworker.

Pre-Schism Western saints

 * Saint Eleutherius, Bishop of Illyria, his mother Anthia, and eleven others, martyred in Illyria under Hadrian (c. 117-138)  (see also: December 15 - East)
 * Martyr Corebus, a prefect of Messina in Sicily, converted to Christ by St Eleutherius and martyred under the Emperor Hadrian (c. 117-138)
 * Martyr Calocerus, an officer of the Emperor Hadrian martyred in Brescia in Italy (c. 117-138)
 * Saint Apollonius the Apologist, a Roman senator, denounced as a Christian by one of his own slaves and condemned to be beheaded (c. 190)
 * Saints Bitheus and Genocus, two monks from Britain who accompanied St Finian of Clonard to Ireland (6th century)
 * Saint Laserian (Molaisse), founder of the monastery and bishopric of Leighlin in Ireland (639)
 * Saint Deicola (Dicul), born in Ireland, he preached Christ in England in Norfolk and in Sussex (late 7th century)
 * Saint Agia (Aia, Aya, Austregildis, Aye), wife of St Hidulf of Hainault in Belgium, monastic at the convent of Mons (c. 714)
 * Saint Wicterp (Wiho, Wicho), Abbot of Ellwangen Abbey in Germany, later became the tenth Bishop of Augsburg (749)
 * Saint Cogitosus, a monk at Kildare in Ireland who probably wrote the Life of St Brigid (8th century)
 * Saint Perfectus, a priest in Cordoba in Spain, martyred by Muslims on Easter Sunday (851)

Post-Schism Orthodox saints

 * Venerable Basil (Ratishvili) the Georgian, Wonderworker, of Iveron Monastery, Mt. Athos (13th century)
 * Venerable Euthymius the Enlightener of Karelia (1435), and righteous laymen Anthony and Felix of Karelia.
 * New Martyr John the Tailor, of Ioannina, at Constantinople (1526)
 * Venerable new martyr John (Koulikas) (1564) (see also: April 8)
 * Martyr Tunom, Arab Emir who confessed Christ on seeing the Holy Fire in Jerusalem (1579)
 * Hieromartyr Cyril VI of Constantinople, Ecumenical Patriarch of Constantinople (1821)

New martyrs and confessors

 * New Hieromartyr Bessarion Selinin, Priest (1918)
 * New Hieromartyr Alexis Krontenkov, Priest, of Ekaterinburg (1930)
 * New Hieromartyrs Nicholas (1937) and Basil Derzhavin (1930), Priests, and martyred lay people of the city of Gorodets, Nizhni-Novgorod.
 * New Martyr Tamara (Satsi), Abbess, of Cheboksara (Chuvashia) (1942)

Other commemorations

 * Icon of the Most Holy Theotokos "Glykophilousa" ("Sweet-kissing"). (see also: March 27)
 * Icon of the Mother of God of St Maximus (Maximovsk Icon) (1299)