January 2 in Eastern Orthodox liturgical calendars is a feast day and a day of commemoration of saints and martyrs. Although some Orthodox churches use the Revised Julian Calendar and others use the traditional Julian calendar, the fixed commemorations for their respective January 1 are broadly the same, no matter which calendar is used.
Forefeast of the Theophany of Our Lord and Savior Jesus Christ
Saint Theodota, mother of the first Saints Cosmas and Damian (3rd century)
Martyr Sergius, by the sword, at Caesarea in Cappadocia (301)
Martyr Theopistus (Theopistos), by stoning
Hieromartyr Theogenes, Bishop of Parium on the Hellespont (c. 320)
Saint Sylvester I, Pope of Rome (335) (see also December 31 - Latin Calendar)
Martyr Basil of Ancyra, under Julian the Apostate (362) (see also January 1 - Slavonic)
Hieromartyr Isidore, Bishop of Antioch, by the Arians (4th century)
Saint Amun (Ammon) of Tabennisi, monk (5th century)
Martyrs Artaxus, Acutus, Eugenda, Maximianus, Timothy, Tobias and Vitus, in Syrmium in Pannonia (3rd–4th century)
Martyrs of Rome, many martyrs who suffered in Rome under Diocletian for refusing to give up the Holy Scriptures (c. 303)
Thousand Martyrs of Lichfield ('field of bodies') in England:
Hieromartyr Amphibalos and 999 others at Lichfield, under Diocletian (c. 303)
Saint Martinianus (Maternian), Bishop of Milan, Italy, took part in the Third Oecumenical Council at Ephesus and wrote against Nestorianism (c. 435)
Saint Aspasius, Bishop of Auch, France, took part in the Second, Fourth, and Fifth Councils of Orleans in 533, 541 and 549, besides holding a council in Auch in 551 (c. 560)
Saint Schottin (Schotin, Scarthin), hermit of Kilkenny, Ireland (6th century) (see also January 6)
Saint Seiriol the Righteous, Abbott of Penmon Priory, brother of King Cynlas of Rhos and King Einion of Llŷn (6th century) (see also February 1 - Latin Calendar)