January 17 January 18 January 19 ≍ ≍ January 18 in Eastern Orthodox liturgical calendars is a feast day and a day of commemoration of saints and martyrs. Although some Orthodox churches use the Revised Julian Calendar and others use the traditional Julian calendar, the fixed commemorations for their respective January18 are broadly the same, no matter which calendar is used.

Saints Martyr TheodulaGreat Synaxaristes: Ἡ Ἁγία Θεοδούλη ἡ Μάρτυς. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. and her companions Helladius, Theodoulos, Boethius, Evagrius, and Macarius,Great Synaxaristes: Οἱ Ἅγιοι Ἑλλάδιος, Θεόδουλος, Βοήθος, Εὐάγριος καὶ Μακάριος οἱ Μάρτυρες. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. of Anazarbus, Cilicia (c. 304)January 18/January 31. Orthodox Calendar (PRAVOSLAVIE.RU). Martyr Xenia, by fireGreat Synaxaristes: Ἡ Ἁγία Ξένη ἡ Μάρτυς. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Saint Athanasius the Great, Patriarch of Alexandria (373)Great Synaxaristes: Ὁ Ἅγιος Ἀθανάσιος ὁ Μέγας. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.Saint Athanasius the Great, Archbishop of Alexandria. OCA - Lives of the Saints. Venerable Marcian, Monk of Cyrrhus, Syria (c. 388)Great Synaxaristes: Ὁ Ὅσιος Μαρκιανὸς. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.Venerable Marcian of Cyrrhus in Syria. OCA - Lives of the Saints. Venerable Silvanus (Sylvanus) the Ascetic of Gaza, Palestine (before 414)January 31 / January 18. HOLY TRINITY RUSSIAN ORTHODOX CHURCH (A parish of the Patriarchate of Moscow).Great Synaxaristes: Ὁ Ὅσιος Σιλβανὸς ὁ ἐν Παλαιστίνῃ ἀσκήσας. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Saint Cyril, Patriarch of Alexandria (444)Great Synaxaristes: Ὁ Ἅγιος Κύριλλος Πατριάρχης Ἀλεξανδρείας. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.Saint Cyril, Archbishop of Alexandria. OCA - Lives of the Saints. Venerable Ephraim (Ephraimios), Bishop of Mylasa, Caria, Asia Minor (5th century)Great Synaxaristes: Ὁ Ὅσιος Ἐφραίμιος. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.The Autonomous Orthodox Metropolia of Western Europe and the Americas (ROCOR). St. Hilarion Calendar of Saints for the year of our Lord 2004. St. Hilarion Press (Austin, TX). p. 8.

Pre-Schism Western saints Virgin Martyr Prisca, venerated from ancient times in Rome, where a church is dedicated to her on the Aventine (1st or 3rd century)January 18 . Latin Saints of the Orthodox Patriarchate of Rome. Martyrs Archelais, Thecla and Susanna, three holy virgins, at Salerno (293) (see also: June 6) Saint Volusianus of Tours, a married senator who was chosen Bishop of Tours in France and shortly after driven out by Arian Visigoths (496) Saint Liberata of Como, a holy virgin in Como in Italy where with her sister Saint Faustina she founded the convent of Santa Margarita (580) Saint Leobardus the Recluse of Marmoutier, Gaul (593) Saint Ninnidh of Inishmacsaint (Inismacsaint), Ireland (6th century) (see also: January 17) Saint Deicolus, one of the twelve disciples to accompany St. Columbanus in his missionary enterprise (625) Saint Ulfrid (Wolfred, Wulfrid, Wilfrid), missionary in Germany and Sweden, martyred for destroying an image of Thor (1028)

Post-Schism Orthodox saints Venerable Ephraim the Lesser (the Philosopher) of Georgia (1101)Saint Ephraim the Lesser. OCA - Lives of the Saints. Venerable Cyril, Abbot of Kiev (1146) Saint Joachim I, Patriarch of Tarnovo (Turnovo, Trnovo) and Bulgaria (1248)Saint Joachim I, Patriarch of Trnovo and Bulgaria. OCA - Lives of the Saints.Great Synaxaristes: Ὁ Ἅγιος Ἰωακεὶμ ἐκ Βουλγαρίας. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Venerable Schemamonk Cyril and Schemanun Maria (both c. 1337), parents of Saint Sergius of RadonezhVenerable Schemamonk Cyril and Schemanun Maria, the parents of Saint Sergius of Radonezh. OCA - Lives of the Saints Saint Maximus the New of Serbia, Metropolitan of Wallachia (1516), son of Saint Stefan Branković the Blind, Despot of SerbiaSaint Maximus the New. OCA - Lives of the Saints.Saint Maximus, Archbishop of Serbia. OCA - Lives of the Saints.Great Synaxaristes: Ὁ Ἅγιος Μάξιμος Ἐπίσκοπος Οὐγγροβλαχίας. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Venerable Athanasius, Monk of Valaam Monastery and Abbot of Syamzha (Syadem, Syandema, Syandemsk, Syandemsky), Vologda Oblast (1550)Venerable Athanasius, Abbot of Syandemsk, Vologda. OCA - Lives of the Saints.Great Synaxaristes: Ὁ Ὅσιος Ἀθανάσιος ἐκ Ρωσίας. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Righteous Athanasius, Fool for Christ of Novolotsk (Navolotsk) Monastery, Karelia (16th-17th centuries)Great Synaxaristes: Ὁ Ὅσιος Ἀθανάσιος ὁ διὰ Χριστὸν Σαλός. 18 Ιανουαρίου. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.Righteous Athanasius of Novolotsk. OCA - Lives of the Saints. Venerable Christophoros "Papoulakos" (Panayiotopoulos), missionary monk and defender of Orthodoxy in the new Kingdom of Greece (1861)19th-century monk-preacher Christophoros “Papoulakos” canonized by Patriarchate of Constantinople. Orthodox Christianity. Istanbul, September 2, 2024. Retrieved: February 16, 2026.Signing of Act of Canonization of St. Christophoros “Papoulakos” in Istanbul. Orthodox Christianity. Istanbul, February 12, 2025. Retrieved: February 16, 2026. Ανακοινωθέν για τις εργασίες της Αγίας και Ιεράς Συνόδου (30 Αυγούστου 2024). Οικουμενικό Πατριαρχείο (Ecumenical Patriarchate). Ανάρτηση 30/08/2024. Retrieved: February 11, 2026. Venerable Alexis Shushania, Hieromonk of Teklati, Georgia (1923)Venerable Hieromonk Alexei of Teklati. OCA - Lives of the Saints.

New martyrs and confessors New Hieromartyr Michael Kargopolov, Priest (1919) 18 января (ст.ст.) 31 января 2014 (нов. ст.) . Русская Православная Церковь Отдел внешних церковных связей. (DECR). New Hieromartyr Eugene Isadsky, Priest (1930) New Hieromartyr Vladimir Zubkovich, Archpriest of Smolevichi, Belorussia (1937) New Hieromartyrs Nicholas Krasovsky, Sergius Lebedev, and Alexander Rousinov, Priests (1938)

Other commemorations

Slaying of Bishop Paul de Ballester-Convallier of Mexico (1984)

Icon gallery

Notes

References

Sources January 18/January 31. Orthodox Calendar (PRAVOSLAVIE.RU). January 31 / January 18. HOLY TRINITY RUSSIAN ORTHODOX CHURCH (A parish of the Patriarchate of Moscow). January 18. OCA - The Lives of the Saints. The Autonomous Orthodox Metropolia of Western Europe and the Americas (ROCOR). St. Hilarion Calendar of Saints for the year of our Lord 2004. St. Hilarion Press (Austin, TX). p. 8. January 18. Latin Saints of the Orthodox Patriarchate of Rome. The Roman Martyrology. Transl. by the Archbishop of Baltimore. Last Edition, According to the Copy Printed at Rome in 1914. Revised Edition, with the Imprimatur of His Eminence Cardinal Gibbons. Baltimore: John Murphy Company, 1916. pp. 18–19. Greek Sources Great Synaxaristes: 18 ΙΑΝΟΥΑΡΙΟΥ. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Συναξαριστής. 18 Ιανουαρίου. ECCLESIA.GR. (H ΕΚΚΛΗΣΙΑ ΤΗΣ ΕΛΛΑΔΟΣ). Russian Sources 31 января (18 января). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru). 18 января (ст.ст.) 31 января 2014 (нов. ст.) . Русская Православная Церковь Отдел внешних церковных связей. (DECR).