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. [note 1]
For January 21st, Orthodox Churches on the Old Calendar commemorate the Saints listed on January 8 .
April 4 – Eastern Orthodox liturgical calendar – April 6
January 3 - Eastern Orthodox liturgical calendar - January 5
January 7 - Eastern Orthodox liturgical calendar - January 9
January 10 - Eastern Orthodox liturgical calendar - January 12
January 11 - Eastern Orthodox liturgical calendar - January 13
January 12 - Eastern Orthodox liturgical calendar - January 14
January 13 - Eastern Orthodox liturgical calendar - January 15
January 14 - Eastern Orthodox liturgical calendar - January 16
January 15 - Eastern Orthodox liturgical calendar - January 17
January 17 - Eastern Orthodox liturgical calendar - January 19
January 18 - Eastern Orthodox liturgical calendar - January 20
January 19 - Eastern Orthodox liturgical calendar - January 21.
January 21 - Eastern Orthodox liturgical calendar - January 23
January 22 - Eastern Orthodox liturgical calendar - January 24
January 23 - Eastern Orthodox liturgical calendar - January 25
January 25 - Eastern Orthodox liturgical calendar - January 27
January 27 - Eastern Orthodox liturgical calendar - January 29
January 28 - Eastern Orthodox liturgical calendar - January 30
January 29 - Eastern Orthodox liturgical calendar - January 31
January 30 - Eastern Orthodox liturgical calendar - February 1
Greek Sources
Russian Sources