- 1 JanuaryBasil the Great, Archbishop of Caesarea in Cappadocia
- 7 JanuarySynaxis of the Holy Glorious Prophet, Forerunner and Baptist John
- 10 JanuarySt Gregory of Nyssa
- 11 Januaryhe Venerable Saint Theodosius the Great
- 15 JanuarySaint John the Hut-Dweller
- 16 JanuaryVeneration of Apostle Peter’s Precious Chains
- 18 JanuarySt. Athanasius the Great
- 19 JanuarySaint Macarius the Great of Egypt
- 20 JanuaryRighteous Euthymius the Great
- 21 JanuarySt Maximus the Confessor
- 24 JanuaryMartyr Xenia of Rome
- 25 JanuarySt Gregory the Theologian the Archbishop of Constantinople
- 26 JanuarySt. Xenophon the Righteous, and his family
- 27 JanuaryRemoval of the Relics of John Chrysostom, Archbishop of Constantinople
- 28 JanuaryVenerable Ephraim the Syrian
- 29 JanuaryRemoval of the Relics of Ignatius the God-bearer
- 30 JanuarySynaxis of The Three Hierarchs: Basil the Great, Gregory the Theologian, & John Chrysostom
- 31 JanuaryCyrus & John the Unmercenaries
