May 18 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/May_18_(Eastern_Orthodox_liturgics)
May 17—Eastern Orthodox Church calendar—May
19. All fixed commemorations below ... (Areobindus, Areovinchus), monk
of the church of the Theotokos of the Areovinthus quarter,
Constantinople; Hosios Stephanos the Chorabyte ...
All events for Julian the Martyr – Greek Orthodox Christian Society
https://www.lychnos.org/calendar/julian-the-martyr/all/
Hosios Stephanos the Chorabyte ... May 18. Saints and Feasts: Julian the Martyr. Holy Martyrs Peter, Dionysius, Andrew, Paul and Christina of Lampsacus.