January 21 (Eastern Orthodox liturgics)
January 20 - Eastern Orthodox liturgical calendar - January 22
All fixed commemorations below are observed on February 3 by Eastern Orthodox Churches on the Old Calendar.
For January 21st, Orthodox Churches on the Old Calendar commemorate the Saints listed on January 8.
Saints
- Martyrs Eugenios, Candidus, Valerian, and Aquila, at Trebizond Virgin Martyr Agnes of Rome
- Martyr Neophytus of Nicaea
- The Holy Four Martyrs of Tyre, by the sword
- Venerable Apollonios of the Thebaid, ascetic Venerable Maximus the Confessor
- Martyr Anastasius, disciple of Venerable Maximus the Confessor
- Saint Zosimas, Bishop of Syracuse ''
- Martyrs Gabriel and Zionios, and companions, under the Bulgarian ruler Omurtag
Pre-Schism Western saints
- Saint Publius, first Bishop of Malta and later Bishop of Athens, martyred under Trajan
- Hieromartyr Fructuosus, Bishop of Tarragona, Spain, and his deacons Augurius and Eulogius
- Martyr Patroclus of Troyes, under Aurelian
- Saint Epiphanius of Pavia, Bishop of Pavia
- Saint Brigid of Kilbride, venerated around Lismore, Ireland
- Saint Lawdog
- Saint Vimin, a Bishop in Scotland, said to have founded the monastery of Holywood
- Saint Meinrad of Einsiedeln, hermit, martyred by robbers
- Saint Maccallin, Abbot of Saint-Michel-en-Thiérache Abbey and Waulsort
Post-Schism Orthodox saints
- Saint Neophytus of Vatopedi Monastery, Mount Athos Venerable Maximus the Greek of Russia
- Venerable Timon, Monk of Nadeyev and Kostroma
- Saint George Mkheidze of Georgia
New martyrs and confessors
- New Hieromartyr Elias Berezovsky, Priest of Alma-Ata
Other commemorations
- Synaxis of All the Martyred Saints, from Protomartyr Stephen up to the present
- Synaxis of the Church of Holy Peace by the Sea in Constantinople
Icons
- "Paramythia" Icon of the Most Holy Theotokos, at Vatopedi Monastery, Mount Athos
- Icon of the Mother of God "Stabbed", at Vatopedi monastery
- Icon of the Mother of God "Xenophon Hodegetria"