Venerable Peter the Sign-Bearer, abbot of the monastery of St. Zacharias at Atroa.
St. Peter of Atroa was a monk and abbot in Bithynia in the ninth century, called the Sign-Bearer because of the many miracles worked through his prayers. He lived through the iconoclast persecution, defending the veneration of the holy icons.
He reposed in peace and is commemorated on January 3.
Feast day
On the New Calendar, Peter of Atroa is commemorated on January 3. Churches on the Old (Julian) Calendar keep the feast on January 16 of the civil calendar.
Also commemorated on January 3

Thomais of Lesbos
Holy Woman, Θωμαΐς
Righteous Thomais of Lesbos, a married woman of Constantinople renowned for patience and almsgiving.
Finding of the Relics of Ephraim of Nea Makri
Saint, Εύρεση Λειψάνων Αγίου Εφραίμ
Commemoration of the finding of the relics of St. Ephraim the New Martyr at Nea Makri.