Oct. 17 - Eastern Orthodox Church calendar - Oct. 19
All fixed commemorations below celebrated on October 31 by Orthodox Churches on the Old Calendar.
For October 18th, Orthodox Churches on the Old Calendar commemorate the Saints listed on October 5.
Holy Apostle and Evangelist Luke (1st century)
Hieromartyr Mnason of Cyprus, Bishop, by the sword (1st century)
Holy 40 children-martyrs, by the sword.
Hieromartyr Cyriacus (Kyriakos), Chorepiscopus of Jerusalem (c. 363) (see also: October 28 )
Martyr Marinus the Elder, at Anazarbus (4th century)
Venerable Julian the Hermit (Julian Sabas)), of the Euphrates, in Mesopotamia (4th century)
Venerables Symeon and Theodore of Thessaloniki, founders of the Mega Spilaion Monastery in Kalavryta, and Euphrosyne the shepherdess who found the Icon of the Mother of God, Wonderworkers (4th century)
Saint Justus of Beauvais, a child-martyr aged nine, he was venerated in Beauvais in France (287)
Saint Tryphonia, a widow martyred in Rome (3rd century)
Saint Gwen (Candida or Blanche), a holy woman murdered by heathen in Talgarth in Wales, daughter of St. Brychan (492)
Saints Gwen (Wenna) and Selevan (Saloman), martyred Welsh missionaries, in Brittany (5th century)
Saints Brothen and Gwendolen (6th century)
Saint Monon, hermit in the Ardennes (c. 645)
Saint James the Deacon, companion of St Paulinus of York in his mission to Northumbria (after 671) (see also: August 17 )
Saint David of Serpukhov, Abbot (1520)
New Martyrs Gabriel and Cirmidol, of Egypt (1522)
New martyr Chryse (Zlata) of Meglen (1795) (see also: October 13 )
Saint Peter of Montenegro, Metropolitan of Cetinje (1830)
New Hieromartyr Isidore, and his two children George and Irene, martyred under the Ottomans, newly revealed in 1953.
New Martys and Confessors
New Hieromartyrs Andrey Voskresensky, Sergius Bazhanov, Nicholas Sokolov and Sergius Gusev, Priests (1937)
Virgin-martyr Elizabeth Krymova (1937)
Synaxis of the Icon of Panagia of Machairas Monastery (Panagia Machairiotissa) in Cyprus, one of the 70 icons of her written by the Apostle Luke.
Translation of the relics (2001) of Venerable Joseph of Volokolamsk (1515), founder of Volokolamsk Monastery.
Slaying of Brother José Muñoz-Cortes (in monasticism Monk Ambrose), guardian of the myrrh-streaming "Montreal" Iveron Icon of the Theotokos (1997)
October 18 (Eastern Orthodox liturgics) Wikipedia (Text) CC BY-SA