May 17—Eastern Orthodox Church calendar—May 19
All fixed commemorations below celebrated on May 31 by Orthodox Churches on the Old Calendar.
For May 18th, Orthodox Churches on the Old Calendar commemorate the Saints listed on May 5.
Martyrs Peter of Lampsacus, Andrew, Paul, Dionysia, and Christina, under Decius (c. 249 - 251)
Martyrs Heraclius, Paulinus, and Benedimus of Athens.
Martyr Euphrasia of Nicaea (c. 303)
Martyr Galactia
Martyr Julian
Martyr Theodotus of Ancyra, and with him eight virgin-martyrs:
Alexandra, Tecusa, Claudia, Phaine (Thaïna), Euphrasia, Theodota, Matrona, and Julia (304)
Martyr Dioscorus, in Cynopolis of Egypt (305)
Martyrs Symeon, Isaac, and Bachtisius of Persia (339)
Hieromartyr Potamon (Palæmon), Bishop of Heraclea in Egypt, and Confessor (340)
The Holy clergy and lay martyrs massacred under Emperor Valens (364-378)
Martyrs David and Tarechan, of Georgia (693)
Patriarch Stephen the New of Constantinople (893)
Saint Anastaso (Anastasia) of Leukadion (or Laucation), near the Bithinian sea-shore
Saint Martinian of Areovinthus (Areobindus, Areovinchus), monk of the church of the Theotokos of the Areovinthus quarter, Constantinople
Hosios Stephanos the Chorabyte
Martyr Venantius of Camerino (250)
Hieromartyr Felix, Bishop of Spoleto, in Umbria (304)
Hieromartyr Pope John I of Rome (526)
Hieromartyr Pope Theodore I of Rome (649)
Martyr Merililaun (Merolilaun), a pilgrim murdered near Rheims and venerated as a martyr (8th century)
Saint Feredarius (Feradach mac Cormaic), Abbot of Iona (c. 880)
Saint Elgiva, Widow of King Edmund, Abbess of Shaftesbury (944)
Saint Macarius (Glukharev) of the Altai, Archimandrite (1847)
Saint John Gashkevich, Archpriest of Korma (1917)
New Martyrs and Confessors
New Hieromartyr Michael Vinogradov, priest (1932)
New Hieromartyr Damian (Damjan) Strbac, Jr., priest of Grahovo, Serbia (1941)
New Hieromartyr Basil Krylov, priest (1942)
Translation of the relics of Saint Mildred of Thanet (Mildthryth), Abbess of Minster-in-Thanet (8th century)
Repose of Blessed Philip, founder of the Gethsemane Caves Skete of St. Sergius Lavra (1869)
May 18 (Eastern Orthodox liturgics) Wikipedia (Text) CC BY-SA