Sep. 20 - Eastern Orthodox liturgical calendar - Sep. 22
All fixed commemorations below celebrated on October 4 by Orthodox Churches on the Old Calendar. [note 1]
For September 21st, Orthodox Churches on the Old Calendar commemorate the Saints listed on September 8 .
(in Greek) α) Ἀπεφασίσθη, τῇ εἰσηγήσει τῆς Κανονικῆς Ἐπιτροπῆς, κατόπιν θεωρήσεως τοῦ ἁρμοδίως διαβιβασθέντος τῇ Μητρί Ἐκκλησίᾳ σχετικοῦ αἰτήματος τοῦ Σεβ. Μητροπολίτου Καστορίας κ. Σεραφείμ, ἡ ἀναγραφή εἰς τό Ἁγιολόγιον τῆς Ὀρθοδόξου Ἐκκλησίας τῶν μαρτυρικῶς τελειωθέντων ὑπέρ τῆς ἀμωμήτου ἡμῶν πίστεως: α) Μάρκου Πέτρου Μαρκούλη ἐκ Κλεισούρας, β) Νούλτζου ἐκ Καστορίας, καί τῶν σύν αὐτῷ ἀθλησάντων, γ) Γεωργίου τοῦ ἐκ Καστορίας, δ) ἱερέως Βασιλείου Καλαπαλίκη, ἐφημερίου Χιλιοδεντρίου Καστορίας καί ε) Ἀρχιμανδρίτου Πλάτωνος Ἀϊβαζίδη. [27]
Sep. 1 - Eastern Orthodox liturgical calendar - Sep. 3
Sep. 2 - Eastern Orthodox liturgical calendar - Sep. 4
September 5 – Eastern Orthodox liturgical calendar – September 7
September 8 - Eastern Orthodox liturgical calendar - September 10
Sep. 9 - Eastern Orthodox liturgical calendar - Sep. 11
Sep. 11 - Eastern Orthodox Church Calendar - Sep. 13
Sep. 14 - Eastern Orthodox liturgical calendar - Sep. 16
Sep. 17 - Eastern Orthodox liturgical calendar - Sep. 19
September 23 - Eastern Orthodox liturgical calendar - September 25
Sep. 25 - Eastern Orthodox Church calendar - Sep. 27
July 27 - Eastern Orthodox Church calendar - July 29
July 30 - Eastern Orthodox Church calendar - Aug. 1
October 7 - Eastern Orthodox liturgical calendar - October 9
November 21 - Eastern Orthodox liturgical calendar - November 23
November 24 - Eastern Orthodox liturgical calendar - November 26
October 20 - Eastern Orthodox liturgical calendar - October 22
October 21 - Eastern Orthodox liturgical calendar - October 23
October 23 - Eastern Orthodox liturgical calendar - October 25
November 9 - Eastern Orthodox liturgical calendar - November 11
November 13 - Eastern Orthodox liturgical calendar - November 15
Greek Sources
Russian Sources