April 18 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/April_18_(Eastern_Orthodox_liturgics)
Apr. 17 - Eastern Orthodox Church calendar - Apr. 19. All fixed commemorations below are ... Venerable Naucratius, Abbot of the Studion (848); Venerable Athanasia the Wonderworker, Abbess, of Aegina (850); Venerable Matthew ( Matthias), ...
21 - Orthodox Calendar. HOLY TRINITY RUSSIAN ORTHODOX ...
www.holytrinityorthodox.com/calendar/index.php?year=2018&today=21...
Venerable Naucratius, abbot of the Studion (848). Venerable ... Translation of the relicts of Hieromartyr Alphege, abbot of Canterbury. Martyr Callopia (Greek).