December 17 (Eastern Orthodox liturgics)
December 16 - Eastern Orthodox liturgical calendar - December 18
All fixed commemorations below celebrated on December 30 by Orthodox Churches on the Old Calendar.
For December 17th, Orthodox Churches on the Old Calendar commemorate the Saints listed on December 4.
Saints
Holy Prophet Daniel and the Three Holy Youths: Ananias, Azarias, and Misael- Monk-martyrs Patermuthius and Coprius, and Martyr Alexander the Soldier, of Egypt
- Martyr Bacchus, from Triglia, by the swordVenerable Daniel the Confessor of Spain and Egypt
- Saints Athanasius, Nicholas, and Anthony, disciples of Athanasius the Athonite and founders of Vatopedi monastery, Mount Athos
Pre-Schism Western saints
- Saint Maxentiolus, a disciple of Saint Martin of Tours in France, he founded Our Lady of Cunault
- Saint Tydecho of Wales, brother of Saint Cadfan
- Saint Briarch, born in Ireland, became a monk in Wales with Saint Tudwal, whom he accompanied to Brittany, built a monastery in Guingamp and reposed in Bourbiac
- Saint Judicaël, son of Hoel and king of Domnonia and Brittany, much loved by his people, spent the last twenty years of his life in the monastery of Gäel near Vannes
- Saint Begga of Landen, founder and Abbess of a convent in Andenne on the Meuse in Belgium
- Saint Sturm, Abbot and Apostle of Saxony, founder of Fulda Monastery, Germany
- Saint Eigil, the fourth abbot of Fulda
Post-Schism Orthodox saints
Venerable Dionysios the New of Zakynthos, Archbishop of Aegina- Saint Misael, Hieromonk of Abalak Monastery, Irkutsk
New martyrs and confessors
- New Martyr Nicetas of Nyssa
- New Hieromartyrs Paisius, Abbot of Trnava, Cacak, and Avakum, Deacon, at Belgrade
- New Hieromartyr Sergius Florinsky, Priest of Rakvere, Estonia
- New Hieromartyr Nicholas Beltiukov, Protopresbyter of Perm
- New Hieromartyr Alexander Savelov, Priest of Perm
- New Hieromartyr John Zemlyani, Priest of Alma-Ata
- New Hieromartyr Peter Pokrovsky, Priest
Other commemorations
- Sunday of the Holy Forefathers of Jesus Christ
- Repose of Elder Hadji George of Mount Athos
- Repose of lay elder Panagis of Ilami, Cyprus