Hieromartyr Theodore, bishop of Alexandria.
September 12
St. Theodore was bishop of Alexandria who was seized by the pagans in the time of the persecutions, crowned with thorns in mockery of the Savior, and thrown into the sea. Tradition relates that he was preserved unharmed and was then beheaded.
He is commemorated on September 12.
December 3
The hieromartyr Theodore was Archbishop of Alexandria in the early centuries of the Church. Tradition relates that the pagans of the city seized him, crowned him with thorns, and dragged him through the streets before he was beheaded for his confession of Christ.
Feast day
On the New Calendar, Theodore of Alexandria is commemorated on September 12. Churches on the Old (Julian) Calendar keep the feast on September 25 of the civil calendar.
On the New Calendar, Theodore of Alexandria is commemorated on December 3. Churches on the Old (Julian) Calendar keep the feast on December 16 of the civil calendar.
Also commemorated on September 12

Julian of Ancyra and the 40 with him
Hierarch, Ιουλιανός ο Πρεσβύτερος
Hieromartyr Julian, presbyter of Ancyra in Galatia, and forty martyrs with him.
Macedonius, Theodoulos and Tatian
Martyr, Μακεδόνιος, Θεόδουλος και Τατιανός
Holy Martyrs Macedonius, Theodoulos and Tatian of Phrygia.
Andronikos of Atroa
Venerable, Ανδρόνικος ο εν Ατρώα
Venerable Andronikos, ascetic of Atroa in Bithynia.