December 31 (Eastern Orthodox liturgics)
December 30 - Eastern Orthodox liturgical calendar - January 1
Venerable Melania the Younger, Nun of Rome (Menologion of Basil II, 10th century)
Pope St. Sylvester I and Emperor Constantine.
Adoration of the Cross by Pope St. Sylvester I, Empress Helena and Emperor Constantine.
Saint Theophylactus of Ohrid.
December 30 (Eastern Orthodox liturgics)
December 29 - Eastern Orthodox liturgical calendar - December 31
Apostle Timon the Deacon, of the Seventy (Menologion of Basil II, 10th century)
Virgin-martyr Anysia of Thessalonica (Menologion of Basil II, 10th century)
Hieromartyr Zoticus the Priest, of Constantinople, Guardian of Orphans (Menologion of Basil II, 10th century)
Saint Macarius, Metropolitan of Moscow and All Russia.