July 20 - Eastern Orthodox Church calendar - July 22
All fixed commemorations below are celebrated on August 3 by Old Calendar.
For July 21st, Orthodox Churches on the Old Calendar commemorate the Saints listed on July 8.
Prophet Ezekiel (6th century BC) (see also: July 23)
Hieromartyr Zoticus, Bishop of Comana in Armenia (204)
Martyrs Theophilus, Trophimus and another 13 martyrs with them (305) (see also: July 23)
Martyrs Justus and Matthew, and Eugene, at Rome (305)
Holy 3 Martyrs of Melitene, dragged to death.
Hieromartyr Bargabdesian, Deacon, at Arbela in Assyria (354)
Saints Paul, Bishop, and John, Priest, ascetics, near Edessa (5th century)
Venerable Symeon of Emesa, Fool-for-Christ (590), and his fellow ascetic St. John (c. 590) (see also: July 23)
Saint Praxedes, the daughter of the Roman senator Pudens and sister of St Pudentiana (2nd century)
Saint Julia of Troyes (c. 272)
Saints Claudius, Justus, Jucundinus and Companions, a group of eight martyrs, who suffered with St Julia in Troyes in France under Aurelian (273)
Martyr Victor of Marseilles, and soldiers Alexander, Felician and Longinus (c. 290)
Saint Constantine, a disciple and the first successor of St Benedict at Monte Cassino in Italy (c. 560)
Saint Arbogast, 7th-century missionary to the Frankish Empire and an early Bishop of Strasbourg (c. 678)
Saints John and Benignus, twin brothers and monks at Moyenmoutier in France (707)