August 3 - Eastern Orthodox liturgical calendar - August 5
All fixed commemorations below are observed on August 17 by Orthodox Churches on the Old Calendar.
For August 4, Orthodox Churches on the Old Calendar commemorate the Saints listed on July 22.
The Holy Seven Youths ("Seven Sleepers") of Ephesus:
Maximilian, Jamblicus, Martinian, John, Dionysius, Exacustodian (Constantine), and Antoninus (250 and ca. 446)
Martyr Eleutherius of Byzantium (early 4th century) (see also: December 15)
Martyr Thathuil, by hanging from an apple tree.
Martyr Eudokia (Ia) of Anatolia, in Persia, by beheading (362) and 9,000 with her in Persia (363) (see also: August 11 and September 11)
Saint Perpetua, a matron from Rome baptised by the Apostle Peter who converted her husband and her son, St Nazarius (c. 80)
Saint Agabius, Bishop of Verona in Italy, and Confessor (c. 250)
Saint Tertullinus, a priest, martyred in Rome under Valerian two days after his ordination (257)
Saints Epiphanes and Isidore, two early martyrs, venerated at the Cathedral of Besançon in France until the French Revolution.
Saint Protasius, a martyr honoured in Cologne in Germany.
Saint Sithney (Sezni), patron saint of Sithney, Cornwall (c. 529)
Saint Euphronius of Tours, Bishop of Tours in France (573)
Saints Peregrinus, Maceratus and Viventius (6th century)
Saint Lugid of Killaloe (Lua, Molua), a disciple of St Comgall, founded many monasteries (c. 609)
New Hieromartyr Cosmas of Aitolia, Equal-to-the-Apostles (1779) (Russian use only - see also: August 24 - Universal)