January 17 - Eastern Orthodox liturgical calendar - January 19
All fixed commemorations below are observed on January 31 by Eastern Orthodox Churches on the Old Calendar. [note 1]
For January 18th, Orthodox Churches on the Old Calendar commemorate the Saints listed on January 5 .
January 1 - Eastern Orthodox liturgical calendar - January 3
January 3 - Eastern Orthodox liturgical calendar - January 5
January 16 - Eastern Orthodox liturgical calendar - January 18
January 7 - Eastern Orthodox liturgical calendar - January 9
January 9 - Eastern Orthodox liturgical calendar - January 11
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 14 - Eastern Orthodox liturgical calendar - January 16
January 15 - Eastern Orthodox liturgical calendar - January 17
January 18 - Eastern Orthodox liturgical calendar - January 20
January 19 - Eastern Orthodox liturgical calendar - January 21.
January 20 - Eastern Orthodox liturgical calendar - January 22
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 24 - Eastern Orthodox liturgical calendar - January 26
January 27 - Eastern Orthodox liturgical calendar - January 29
January 28 - Eastern Orthodox liturgical calendar - January 30
January 30 - Eastern Orthodox liturgical calendar - February 1
Greek Sources
Russian Sources