July 12 (Eastern Orthodox liturgics)

July 11 - Eastern Orthodox Church calendar - July 13
All fixed commemorations below are celebrated on July 25 by Old Calendar.
For July 12th, Orthodox Churches on the Old Calendar commemorate the Saints listed on June 29.

Saints

Saint Veronica, the woman with the issue of blood who was healed by the Savior

Martyr Serapion the New, at Alexandria Martyrs Proclus and Hilary, of Ancyra
Martyrs Andrew the Commander, Heraclius, Faustus, Menas, and those with them.
Great-martyr Mamas, whose synaxis near Sigma we celebrate.
Martyr Golinduc, in holy baptism Mary, of Persia
Venerables John and Gabriel of Georgia and Iveron, Mt. Athos.
Venerable Michael Maleinus, spiritual father of Saint Athanasius of Athos
Martyrs Theodore of Kiev and his son John, the Varangians, at Kiev

Pre-Schism Western saints

Saint Hermagoras of Aquileia, and his deacon Fortunatus, martyrs under Nero
Saint Paulinus of Antioch, and Companions
Saint Marciana, a virgin-martyr venerated in Toledo in Spain
Saints Nabor and Felix, martyrs in Milan in Italy under Diocletian
Saint Paternian, Bishop of Bologna in Italy
Saint Viventiolus, a monk at St Oyend in France who became Archbishop of Lyons
Saint Proculus, Bishop of Bologna in Italy, martyred by the Goths
Saint Menulphus, born in Ireland, he became Bishop of Quimper in Brittany
Saint Ansbald of Prüm, in Germany

Post-Schism Orthodox saints

Blessed Serapion of Vladimir, Bishop of Vladimir
Saint Arsenius of Novgorod, Fool-for-Christ
Monk-martyr Simon, founder of Volomsk Monastery, Vologda
'''Venerable Paisios the Athonite'''

Other commemorations

Icon of the Most Holy Theotokos "Of the Three Hands" of Hilandar, Mt. Athos.
Icon of the Most Holy Theotokos of Prodromos Skete, Mt. Athos, of Voronezh and of Jackson, California
Translation of the relics of St. Anthony of Leokhnov, founder of Leokhnovo Monastery, Novgorod
Translation of the relics of New Hieromartyr Momcilo Grgurevic of Serbia
Repose of Hieromonk Daniel of Optina and Sorochinsk