Martyr
Martyr Caluf of Egypt (284-303)
In Russian: Мч. Калуфа Египтянина (284-303)
In Church Slavonic: Ст҃а́гѡ мч҃ника Калуфа Египтянина (284-303)
Feast days
2026
Old calendar
- (19 May on the Old calendar), repose
New calendar
- , repose
2027
Old calendar
- (19 May on the Old calendar), repose
New calendar
- , repose
Also commemorated on 1 June 2026
- Day of the Holy Spirit
- Icons of the Mother of God “Tupichevsk” (1847) and “Cypriot” (392) (movable feast on the Day Of the Holy Spirit)
- ✚Holy Right-believing Great Prince Demetrius Donskoy of Moscow († 1389)
- Hieromartyrs Patrick the Bishop of Prussa and the Priests Acacius, Menander, and Polyenus († c. 100)
- Venerable Cornelius the Miracle-worker and Abbot of Komel, Vologda († 1537)
- New Hieromartyr Viktor († 1937)
- New Hieromartyrs Anthony, bishop of Belgorod and those with him: the Priests Mitrophan, Alexander, Michael, Matthew, Hippolytus, Nicholas, Basil, Nicholas, Maxim, Alexander, Paul, and Paul and the Martyrs Michael and Gregory († 1938)
- New Hieromartyr Onuphry, Archbishop of Kursk († 1938)
- New Venerable Martyr Valentine († 1940)
- Venerable Cornelius, abbot of Paleostrov and Olonetsky († c. 1420)
- Blessed John the Prince of Uglich, Tonsured As Ignatius († 1523)
- Venerable Serge of Shukhtov († 1609)