January 20 (Eastern Orthodox liturgics)
January 19 - Eastern Orthodox liturgical calendar - January 21.
All fixed commemorations below are observed on February 2 by Eastern Orthodox Churches on the Old Calendar.
For January 20th, Orthodox Churches on the Old Calendar commemorate the Saints listed on January 7.
Saints
- Martyrs Inna, Pinna, and Rimma, disciples of the Apostle Andrew in Scythia
- Martyr Eusebius
- Martyrs Bassus, Eusebius, Eutychius, and Basilides, at Nicomedia Venerable Euthymius the Great
- Saint Leo I, Eastern Roman Emperor and Confessor
- Martyrs Thyrsus and Agnes
- Saint Peter the Publican of Constantinople
Pre-Schism Western saints
- Martyr Anna at Rome
- Saint Fabian, Pope of Rome
- Saint Sebastian, one of the most renowned of all the martyrs of Rome
- Saint Molagga, disciple of Saint David in Wales, founded a monastery in Fulachmhin, Ireland
- Saint Féchín, founded Fore Abbey at Meath
- Saint Maurus, monk and Abbot of Classe in Ravenna, and finally Bishop of Cesena
Post-Schism Orthodox saints
- Venerable Laurence the Recluse of the Kiev Caves
- Venerable Euthymius the Silent, Schemamonk of the Kiev Caves
- Saint Neophytus of Vatopedi, Mount Athos
- Saint Euthymius, Patriarch of Tarnovo and Bulgaria
- Saint Euthymius of Syamzha, Vologda Oblast
- Venerable Euthymius of Arkhangelsk
- Venerable Feodor (Theodore) Kuzmich of Tomsk
New martyrs and confessors
- New Martyr Zachariah of Patras, Morea
- New Hieromartyr Ioan Pettai, Estonian Martyr Presbyter
- New Hieromartyr Paul Dobromyslov, Archpriest of Ryazan
- Venerable New Confessor Ekvtime Kereselidze of Georgia
Other commemorations
- Repose of Elder Gerasim, founder of Ascension Monastery, Irkutsk