January 18 - Eastern Orthodox liturgical calendar - January 20
All fixed commemorations below are observed on February 1 by Eastern Orthodox Churches on the Old Calendar. [note 1]
For January 19th, Orthodox Churches on the Old Calendar commemorate the Saints listed on January 6 .
Mar. 31 - Eastern Orthodox liturgical calendar - Apr. 2
May 26 - Eastern Orthodox Church calendar - May 28
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 11 - Eastern Orthodox liturgical calendar - January 13
January 13 - Eastern Orthodox liturgical calendar - January 15
January 14 - Eastern Orthodox liturgical calendar - January 16
January 17 - Eastern Orthodox liturgical calendar - January 19
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 25 - Eastern Orthodox liturgical calendar - January 27
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