May 3 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 May 3 are broadly the same, no matter which calendar is used.
Martyrs Timothy the Reader and his wife Moura (Maura), at Antinoöpolis, Egypt (304)
Martyrs Diodoros and Rodopianos, at Aphrodisia in Anatolia, by stoning (285-305) (see also April 29)
Martyr Alexander and Virgin Martyr Antonina at Byzantium (313) (see also June 10)
Great Martyr Xenia the Wonderworker, of Kalamata, Peloponnesus (318)
Holy 27 Martyrs who died by fire
Saint Mamai, Catholicos of Georgia (744)
Saints Michael and Arsenius of Ulompo, Georgia (9th century)
Saint Peter the Wonderworker, Bishop of Argos, Peloponnese (925)
Saint Oecumenius (Ecumenius, Ekoumenios) the Wonderworker, Bishop of Trikala (Tricca) (10th century)
Saint Alexander I, the fifth Pope of Rome (c. 106-115)
Martyrs Alexander, Eventius and Theodulus (c. 113-119)
Saint Juvenal of Narni (c. 369/377)
Saint Glywys (Gluvias) of Cornwall (5th century)
Saint Scannal of Cell-Coleraine in Ireland, a disciple of Saint Columba (563)
Saint Adalsindis, sister of Saint Waldalenus, founder of the Monastery of Bèze in France, Abbess of a convent near Bèze (c. 680)
Saint Æthelwine (Elwin, Ethelwin), Bishop of Lindsey (c. 700)
Saint Philip of Worms (770) (Philip of Zell)