May 3 - Eastern Orthodox Church calendar - May 5
All fixed commemorations below celebrated on May 17 by Orthodox Churches on the Old Calendar. [note 1]
For May 4th, Orthodox Churches on the Old Calendar commemorate the Saints listed on April 21 .
April 20 - Eastern Orthodox liturgical calendar - April 22
Apr. 30 - Eastern Orthodox Church calendar - May 2.
May 2 - Eastern Orthodox Church calendar - May 4
May 7 - Eastern Orthodox Church calendar - May 9
May 8 – Eastern Orthodox Church calendar – May 10
May 10 – Eastern Orthodox Church calendar – May 12
May 11 - Eastern Orthodox Church calendar - May 13
May 12 - Eastern Orthodox Church calendar - May 14
May 13 - Eastern Orthodox Church calendar - May 15
May 16 - Eastern Orthodox Church calendar - May 18
May 18 - Eastern Orthodox Church calendar - May 20
May 20 - Eastern Orthodox Church calendar - May 22
May 21 - Eastern Orthodox Church calendar - May 23
May 22 - Eastern Orthodox Church calendar - May 24
May 23 - Eastern Orthodox Church calendar - May 25
May 24 - Eastern Orthodox Church calendar - May 26
May 26 - Eastern Orthodox Church calendar - May 28
May 29 - Eastern Orthodox Church calendar - May 31
May 30 - Eastern Orthodox Church calendar - June 1
December 10 - Eastern Orthodox liturgical calendar - December 12
Greek Sources
Russian Sources