August 20 - Eastern Orthodox Church calendar - August 22
All fixed commemorations below are observed on September 3 by Orthodox Churches on the Old Calendar.
For August 21, Orthodox Churches on the Old Calendar commemorate the Saints listed on August 8.
Afterfeast of the Dormition.
Holy Forefathers Abraham, Isaac, and Jacob (ca. 2000 BC)
Apostle Thaddeus of Edessa, one of the Seventy Apostles (44)
Martyr Bassa of Edessa and her sons Theognius, Agapius, and Pistus (305-311)
Saint Sarmean, Catholicos of Kartli, Georgia (774)
Saint Theocleta the Wonderworker, of Asia Minor (840)
Hieromartyrs Romulus, Priest, and the Deacons Donatus and Silvanus, and Martyr Venustus (Romania)
Venerable Alexander of Iconium.
Saint Euprepius of Verona, first Bishop of Verona in the north of Italy (1st century)
Saint Cyriaca (Dominica), a wealthy widow in Rome, she sheltered persecuted Orthodox Christians (249)
Saint Paternus, born in Alexandria, he came to Rome, was arrested in Fondi and was martyred for Orthodoxy there (c. 255)
Saint Privatus, Bishop of Mende in France (260)
Saint Anastasius, a military tribune converted to Orthodoxy on seeing the courage of the young St Agapitus, in Salone, Italy (274)
Saint Quadratus, a Bishop of Utica in North Africa who taught both clergy and laity to confess Christ (3rd century)
Martyrs Luxorius, Cisellus and Camerinus, martyrs in Sardinia beheaded under Diocletian (303)
Saint Sidonius Apollinaris, Bishop of Clermont in France (c. 423-480)
Saint Leontius the Elder, Bishop of Bordeaux in France and the predecessor of St Leontius the Younger (c. 541)
Saint Avitus I, Bishop of Clermont, Gaul (594)
Saint Eardwulf of Northumbria (Hardulph of Breedon) (c. 808)
Saint Abramius the Lover-of-labor of the Kiev Caves
Saint Abramius of Smolensk, Archimandrite, Wonderworker of Smolensk (1220), and his disciple St. Ephraim (1238) (see also: August 20 - Greek)
Saint Isaiah of Mt. Athos (14th century)
Saint Cornelius, founder and abbot of Paleostrov Monastery (Palei Island, Valaam, Karelia) (1420), and his disciple St. Abramius (15th century)
New Hieromartyr Symeon, Bishop of Samokovo, Bulgaria (1737)
Saint Martha (Milyukova), schemanun of Diveyevo (1829)
New martyrs and confessors
New Hieromartyr Alexander Yelokhovsky, Priest of Yaroslavl-Rostov (1918)
New Hieromartyr Paul Yagodinsky, Priest of Yaransk (1937)
New Hieromartyr Raphael, Abbot of Sisatovac Monastery, Serbia (1941)
New Hieromartyr Ignatius (Dalanov), Hieromonk of Optina Monastery (1942)
Translation of the relics (1953) of Saint Nectarius (Kephalas), Metropolitan of Pentapolis (North Africa) (1920) (see also: September 3 - Greek)
Commemoration of Hieromonk John (Kotlyarevsky) at Poltava (1951)
August 21 (Eastern Orthodox liturgics) Wikipedia (Text) CC BY-SA