January 12 (Eastern Orthodox liturgics)
January 11 - Eastern Orthodox liturgical calendar - January 13
All fixed commemorations below are observed on January 25 by Eastern Orthodox Churches on the Old Calendar.
For January 12th, Orthodox Churches on the Old Calendar commemorate the Saints listed on December 30.
Feasts
- Afterfeast of the Theophany of Our Lord and Savior Jesus Christ
Saints
Virgin Martyr Tatiana of Rome, and those who suffered with her- Martyr Mertius of Mauretania
- Martyr Philotheus of Antioch
- Martyr Peter Apselamus of Eleutheropolis, Palestine
- Venerable Eupraxia of Tabenna, Egypt
- Saints Tygrius the Presbyter, and Eutropius the Lector, at Constantinople
- Holy Eight Martyrs of Nicaea, by the sword
- Virgin Martyr Euthasia, by the sword
- Venerable Elias the Hermit, Wonderworker of Egypt, Desert Father, of The Paradise
- Saint Eulogia, mother of Saint Theodosius the Cenobiarch
- Venerable Theodora of Alexandria, instructress of nuns
Pre-Schism Western saints
- Saint Arcadius of Mauretania, a prominent citizen of Caesarea in Mauretania Caesariensis, barbarously martyred under Maximianus Herculeus
- Martyrs Zoticus, Rogatus, Modestus, Casutlus, between forty and fifty soldiers, in Africa
- Saint John of Ravenna, Bishop of Ravenna and Confessor
- Saint Caesaria, the gifted sister of Saint Caesarius of Arles and Abbess of the convent founded there by her brother
- Saint Victorian of Asan, founder and abbot of the monastery of Asan
- Saint Probus, Bishop of Verona, Italy
- Saint Eilian of Rome,
- Saint Salvius, Bishop of Amiens, his relics were enshrined in Montreuil in Picardy
- Saint Benedict Biscop, Abbot of Wearmouth and Confessor
Post-Schism Orthodox saints
Saint Sava I, Enlightener and first Archbishop of Serbia- Venerable Martinian, Abbot of White Lake Monastery
- Venerable Galacteon, disciple of Saint Martinian of White Lake, Fool for Christ
- Venerable Archimandrite Theodosius of Tisman and Sophroniev Monasteries, fellow-struggler of St. Paisius Velichkovsky
- Saint John of Tula, Fool-for-Christ
New martyrs and confessors
- New Virgin Martyrs Neollina, Domnina, and Parthena of Edessa, Macedonia
Other commemorations
- Synaxis of the Icon of the Most Holy Theotokos "The Milk-giver"
- Synaxis of the Icon of the Most Holy Theotokos "Akathist" at Hilandar
- Synaxis of the Icon of the Most Holy Theotokos "Mesopantitissis" in Crete
- Icon of the Mother of God "Priestly"
- Founder's Icon of the Mother of God at Vatopedi Monastery
- Commemoration of the Church of St. Alexander, near the Church of the Holy Apostles, in Constantinople