May 19 (Eastern Orthodox liturgics)
May 18 - Eastern Orthodox Church calendar - May 20
All fixed commemorations below celebrated on June 1 by Orthodox Churches on the Old Calendar.
For May 19th, Orthodox Churches on the Old Calendar commemorate the Saints listed on May 6.
Saints
Martyrs Calocerus and Parthenius, brothers (250)
Martyr Philoterus of Nicomedia (303)
Martyr Acoluthus of the Thebaid (303)
Martyr Cyriaca (Kyriake) and the six holy virgin-martyrs in Nicomedia (307)
Martyr Theotima of Nicomedia (c. 311)
Hieromartyrs Patricius of Prussa, Bishop, and with him the Presbyters Acacius, Menander, and Polyainos (362)
Saint John, Bishop of the Goths in Crimea (787)
Pre-Schism Western Saints
Martyr Pudens, the senator (c. 160)
Virgin-Martyr Pudentiana (Potentiana), daughter of Saint Pudens the senator (160)
Saint Cyril of Trier, Bishop of Trier, (5th century)
Saint Adolphus (Hadulf), ascetic of the Benedictine Abbey of St. Vaast, in Arras, and later Bishop of Arras Cambrai in the north of France (728)