thumb|An [[Eastern Orthodox Church|Eastern Orthodox cross]]

April 10 - Eastern Orthodox liturgical calendar - April 12

All fixed commemorations below are observed on April 24 by Eastern Orthodox Churches on the Old Calendar.

For April 11th, Orthodox Churches on the Old Calendar commemorate the Saints listed on March 29.

Saints

  • Martyrs Processus and Martinian of Rome (c. 67)
  • Hieromartyr Antipas of Pergamum, Bishop of Pergamon, disciple of St. John the Theologian (92)
  • Hieromartyr Domninus (Domnion), Bishop of Salona in Dalmatia, and eight soldiers with him (c. 100)
  • Saint Philip of Gortyna, Bishop of Gortyna on Crete (180)
  • Venerable-Martyr Bacchus, of the Great Lavra of St. Sabbas the Sanctified (8th century)
  • Venerable John, disciple of Venerable Gregory of Decapolis (820)
  • Venerable Tryfaini and Matrona of Cyzicus.

Pre-Schism Western saints

  • Saint Machai, a disciple of St Patrick who founded a monastery on the Isle of Bute in Scotland (5th century)
  • Saint Guthlac of Crowland, hermit of Crowland, England (714) <small>(see also: August 30)</small>
  • Saint Agericus (Aguy, Airy), Abbot of St Martin's in Tours (680)

Post-Schism Orthodox saints

  • Saint George, founder of the Monastery of Saint John Chrysostomos, north of Koutsovendis, in Cyprus (c. 1070)
  • Venerable James, Abbot of Zhelezny Borok, Kostroma (1442), and his fellow ascetic St. James of Bryleevsk (15th century)
  • Venerable Euthymius (1456) and Chariton (1509), Abbots of Syanzhema, Vologda.
  • Saint Barsanuphius, Bishop of Tver (1576)
  • Saint Callinicus of Cernica (Kallinikos), Bishop of Rimnic in Romania (1868)

New martyrs and confessors

  • New Martyrs Peter Zhukov and Prochorus Mikhailov, of Tver (1918)
  • New Hieromartyr Nicholas Gavarin, Priest (1938)

Other commemorations

  • Commemoration of the Appearance of the Most Holy Theotokos at Pochaev, and the Leaving of her sacred Footprint there ("the Footprint") (1340)
  • Repose of Elder Eulogius of St. George Kellion, Mt. Athos (1948)