December 31 (Eastern Orthodox liturgics)

December 30 - Eastern Orthodox liturgical calendar - January 1
All fixed commemorations below are observed on January 13 by Eastern Orthodox Churches on the Old Calendar.
For December 31st, Orthodox Churches on the Old Calendar commemorate the Saints listed on December 18.

Feasts

Saint Abgar V, King of Osroene
Holy Ten Virgin Martyrs of Nicomedia
Martyr Olympiodora, by fire
Martyr Busiris, martyred by women with knitting needles
Martyr Nemi, by the sword
Saint Gaudentius
Saint Salamin
Saint Irenaeus
Saint Martina
Saint Hermes of Bononia Hieromartyr Zoticus the Priest of Constantinople, Feeder and Guardian of Orphans '
Saint Anysius, Bishop of Thessaloniki 'Venerable Melania the Younger, Nun of Rome
Venerable Gelasius, Monk of Palestine
Venerable Gaius, Monk
Venerable Sabiana, Abbess of Samtskhe Convent

Saint Columba of Sens
Martyrs of Catania:
* Stephen, Pontian, Attalus, Fabian, Cornelius, Sextus, Flos, Quintian, Minervinus and Simplician, early martyrs in Catania in Sicily
Martyrs Donata, Paulina, Rustica, Nominanda, Serotina, Hilaria and Companions
Hieromartyrs Sabinian and Potentian
Saint Silvester I, Pope of Rome
Saint Valerius Pinianus, husband of Saint Melania the Younger
Saint Barbatianus, Priest and Confessor, at Ravenna
Saint Marius Aventicensis, Bishop of Aventicum
Saint Franquila Myrrh-streaming, first abbot of Monastery of San Salvador de Celanova
Saint Peter of Subiaco

Blessed Theophylact, Archbishop of Ochrid

Saint George Macheromenos the Wonderworker, "the stabbed"
Saint Petro Mohyla, Metropolitan of Kiev, Galicia and all Rus, Exarch of the Ecumenical Patriarchate
Venerable Cyriacus of Bisericani Monastery, Romania
Venerable Cyriacus of Tazlau Monastery, Romania
Saint Paisios of Mount Athos

Unfading Flower Icon of the Mother of God at Ardatov ''''