September 12 (Eastern Orthodox liturgics)
Sep. 11 - Eastern Orthodox Church calendar - Sep. 13
All fixed commemorations below celebrated on Sep. 25 by Orthodox Churches on the Old Calendar
Saints
- Hieromartyr Autonomus, Bishop of Italy (313)
- Saint Coronatus, Bishop of Iconium (259)
- Martyr Julian of Galatia and 40 martyrs with him (4th century)
- Hieromartyr Theodore of Alexandria
- Saint Sacerdos of Lyon, Bishop of Lyon in Gaul
- Saint Athanasius, disciple of Saint Sergius of Radonezh (early 15th century) and abbot of the Vysotsky Monastery in Serpukhov
- Saint Bassian of Tikhsnen in Vologda (1624)
- Martyr Macedonios in Phrygia, and with him martyrs Tatian and Theodoulos
- Saint Daniel of Thassius, monk
Other commemorations
- Apodosis of the Nativity of the Theotokos
- Translation of the relics of righteous Simeon of Verkoturye (1704)