Hieromartyr Peter of Krutitsa, locum tenens of the Patriarchal throne of Moscow, martyred in 1937.
St. Peter, Metropolitan of Krutitsa, was named locum tenens of the Patriarchal throne of Moscow after the death of St. Tikhon in 1925. Arrested by the Soviet authorities within the year, he spent the rest of his life in prisons and exile, refusing every offer of freedom in exchange for surrendering the Church's independence.
He was shot in 1937 and was glorified among the New Martyrs of Russia. He is commemorated on September 27.
Feast day
On the New Calendar, Peter of Krutitsa is commemorated on September 27. Churches on the Old (Julian) Calendar keep the feast on October 10 of the civil calendar.
Also commemorated on September 27

Kallistratos
Martyr, Καλλίστρατος
Holy Martyr Callistratus and 49 companions.
Name days: Kallistratos, Callistratus
Mark, Aristarchos and Zenon the Apostles
Apostle, Μάρκος, Αρίσταρχος και Ζήνων
Holy Apostles Mark, Aristarchos and Zenon of the Seventy.
Name days: Aristarchos, Aristarchus
Akylina of Zagliveri
Holy Woman, Ακυλίνα
New Martyr Akylina of Zagliveri near Thessaloniki, virgin martyr.
Ignatius of the Monastery of the Savior
Venerable, Ιγνάτιος ο Ηγούμενος
Venerable Ignatius, abbot of the Monastery of Christ the Savior in Cappadocia.
Sabbatius of Solovki
Venerable, Σαββάτιος του Σολοβέτσκ
Venerable Sabbatius, wonderworker of Solovki, first hermit of the White Sea island.