January 1 - Eastern Orthodox liturgical calendar - January 3
All fixed commemorations below are observed on January 15 by Eastern Orthodox Churches on the Old Calendar. [note 1]
For January 2nd, Orthodox Churches on the Old Calendar commemorate the saints listed on December 20 .
December 31 - Eastern Orthodox liturgical calendar - January 2
January 2 - Eastern Orthodox liturgical calendar - January 4
January 3 - Eastern Orthodox liturgical calendar - January 5
January 5 - Eastern Orthodox liturgical calendar - January 7
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 13 - Eastern Orthodox liturgical calendar - January 15
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 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
December 3 - Eastern Orthodox liturgical calendar - December 5
Greek Sources
Russian Sources