January 12 (Eastern Orthodox liturgics)
- 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
- Martyr Tatiana of Rome, and those who suffered with her
- Martyr Mertius of Mauretania
- Martyr Philotheus of Antioch
- Martyr Peter Apselamus of Eleutheropolis in Palestine
- Venerable Eupraxia of Tabenna in 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 Wonderworker of Egypt, Desert Father
- 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 St 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 in 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 of White Lake, Abbot
- Venerable Galacteon, disciple of St. 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
Other commemorations
- Synaxis of the Icon of the Most Holy Theotokos "The Milk-giver".
- Synaxis of the Icon of the Most Holy Theotokos "Akathist".
- Synaxis of the Icon of the Most Holy Theotokos "Mesopantitissis" in Crete.
- Icon of the Mother of God "Priestly".
- Commemoration of the Church of St. Alexander, near the Church of the Holy Apostles, in Constantinople.
Icon gallery