Sep. 20 - Eastern Orthodox Church calendar - Sep. 22
All fixed commemorations below celebrated on October 4 by Orthodox Churches on the Old Calendar.
For September 21st, Orthodox Churches on the Old Calendar commemorate the Saints listed on September 8.
Apodosis of the Exaltation of the Cross.
Prophet Jonah (8th century BC) (see also: September 22 )
Apostle Quadratus of the Seventy, Apologist (c. 130)
Martyr Eusebius of Phoenicia (2nd century)
Holy Six Martyrs, by the sword (298)
Martyr Priscus of Phrygia.
Martyrs Eusebius, Nestabus, Zeno, brothers, with Nestor and Busiris, of Gaza (360-363)
Martyr Bassa of Tyre.
Hieromartyr Hypatius, Bishop of Ephesus, and his Presbyter Andrew (730)
Venerable Jonah the Sabbaite (9th century)
Venerables Isaacius (Akakios) and Meletius, Bishops of Sitis (Σίτης) in Cyprus.
Saint Alexander, a bishop in the neighbourhood of Rome (2nd century)
Saint Pamphilus, a marytr in Rome.
Saint Mabyn (Mabena), a Cornish saint (6th century)
Saint Gerulfus (Gerulph), a saint of Flanders (c. 746)
Saint Maura, a holy virgin in Troyes, she reposed at the age of twenty-three after a life of prayer and good works (850)
Venerable Daniel, founder of Shuzhgorsk Monastery, Belozersk (16th century)
Saint Joseph, founder of Zaonikiev Monastery, Vologda (1612)
New Martyrs and Confessors
New Hieromartyrs Alexander Fedoseyev, Alexis Stabnikov, Constantine Shirokinsky, and John Flerov, Priests (1918)
New Hieromartyr Platon (Aivazidis) of Amasya, Metropolitan of Amasya (1921)
New Hieromartyr Theophan (Tuliakov), Metropolitan of Lipetsk and Belorussia (1937)
New Hieromartyr Maurice (Poletaev), Archimandrite, of Yuriev-Polsky, and with him Martyr Basil Kondratiev (1937)
New Hieromartyrs Valentine Nikolsky, Alexander Belyakov, John Lazarev, Andrew Benedictov, Peter Sakharovsky, and John Nikolsky, Priests (1937)
New Hieromartyr John Bystrov, Priest (1938)
New Hieromartyr Basil Krymkin, Priest (1942)
Uncovering of the relics (1752) of St. Demetrius, Metropolitan of Rostov (1709)
Repose of Arseny (Chagovstsov), Archbishop of Winnipeg (1945)
Repose of Priest Dumitru Staniloae of Romania (1993)
Synaxis of the Saints of Uglich.
Synaxis of the Church of "Panagia Giatrissa" ("The Healer"), on Therasia in the Greek Cyclades (1950s)
September 21 (Eastern Orthodox liturgics) Wikipedia (Text) CC BY-SA