Apr. 30 - Eastern Orthodox Church calendar - May 2.
All fixed commemorations below celebrated on May 14 by Orthodox Churches on the Old Calendar. [note 1]
For May 1st, Orthodox Churches on the Old Calendar commemorate the Saints listed on April 18 .
March 30 - Eastern Orthodox liturgical calendar - April 1
April 5 — Eastern Orthodox liturgical calendar — April 7
April 26 - Eastern Orthodox Church calendar - April 28
April 18 - Eastern Orthodox liturgical calendar - April 20
May 2 - Eastern Orthodox Church calendar - May 4
May 3 - Eastern Orthodox Church calendar - May 5
May 7 - Eastern Orthodox Church calendar - May 9
May 8 – Eastern Orthodox Church calendar – May 10
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 15 - Eastern Orthodox Church calendar - May 17
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 26 - Eastern Orthodox Church calendar - May 28
May 27 - Eastern Orthodox Church calendar - May 29
December 29 - Eastern Orthodox liturgical calendar - December 31
Greek Sources
Russian Sources