January 23 (Eastern Orthodox liturgics)

Jan. 22 - Eastern Orthodox liturgical calendar - Jan. 24

All fixed commemorations below are observed on February 5 by Orthodox Churches on the Old Calendar.

For January 23rd, Orthodox Churches on the Old Calendar commemorate the Saints listed on January 10.

Hieromartyr Clement of Ancyra, Bishop of Ancyra.

Emerentiana's likeness on the Royal Gold Cup (14th century).

Saint Ildefonsus, Metropolitan Bishop of Toledo (El Greco, ca. 1610-1614)

Venerable Gennadius of Kostroma.

New Hieromartyr .

Sixth Ecumenical Council (Miniature, 14th century)

Synaxis of the Saints of Kostroma.

Greek Sources

Russian Sources

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Wikipedia