December 30 (Eastern Orthodox liturgics)
December 29 - Eastern Orthodox liturgical calendar - December 31
All fixed commemorations below are observed on January 12 by Orthodox Churches on the Old Calendar.
For December 30th, Orthodox Churches on the Old Calendar commemorate the Saints listed on December 17.
Feasts
- Afterfeast of the Nativity of Christ
Saints
- Apostle Timon the Deacon of the Seventy Virgin Martyr Anysia of Thessaloniki
- Martyr Philoterus of Nicomedia, and with him six soldiers and one count Hieromartyr Zoticus the Priest, of Constantinople, Guardian of Orphans
- Saint Anysios, Bishop of Thessaloniki
- Martyrs Magistrianus, Paulinus, Umbrius, Verus, Severus, Callistratus, Florentius, Arianus, Anthimus, Ubricius, Isidore, Euculus, Sampson, Studius, and Thespesius, who suffered under Julian the Apostate
- Venerable Theodora of Caesarea in Cappadocia
- Venerable Theodora of Constantinople, Nun
- Venerable Leo the Archimandrite
Pre-Schism Western saints
- Saint Liberius of Ravenna, Bishop of Ravenna in Italy, venerated as one of the founders of that diocese
- Martyrs Sabinus of Spoleto, Exuperantius, Marcellus, Venustian and Companions
- Saint Egwin of Evesham, Bishop of Worcester
- Saint Eugene of Milan, Bishop and Confessor
- Saint Sebastian, a monk who became Archbishop of Esztergom in 1002 and Primate of Hungary in the time of Saint Stephen I of Hungary
Post-Schism Orthodox saints
- Saint Tryphon, Bishop of Rostov Saint Macarius, Metropolitan of Moscow and All Russia
- '''Venerable Monastic Martyr Gideon of Karakallou Monastery, Mount Athos, at Turnovo'''
New martyrs and confessors
- New Hieromartyr Sergius Florinsky, Priest of Rakvere, Estonia
- New Virgin Martyr Mary Danilova of Yaroslavl-Rostov
Other commemorations
- Uncovering of the relics of Saint Daniel, Abbot of Pereyaslavl-Zalesski