Name days on May 25
Ioannis, Giannis, John, Innokentios, Innocent, Zinovios, Zenobius
Saints and feasts of May 25

Third Finding of the Head of John the Baptist
Great Feast, Τρίτη Εύρεσις Κεφαλής Ιωάννου
The Church commemorates on May 25 the Third Finding of the honorable head of St. John the Forerunner. According to tradition, the relic had been hidden during the years of iconoclasm; when the veneration of holy things was restored, the head of the Baptist was revealed once more and brought with honor to Constantinople, received by emperor and patriarch amid great rejoicing.
Celestine the Martyr
Martyr, Κελεστίνος
The synaxarion honors the martyr Celestine on May 25, recording that he died for Christ. Further details of his life are not preserved.
Olbianos the Venerable
Venerable, Ολβιανός ο Όσιος
The synaxarion records Venerable Olbianos as a monk who lived in asceticism and reposed in peace. He is distinct from the hieromartyr Olbianos of Aneai.
Dionysios of Milan
Hierarch, Διονύσιος Μεδιολάνων
Dionysios became Bishop of Milan in 351 and at the council held there in 355 refused to condemn Saint Athanasios at the demand of the Arian emperor Constantius. For this he was exiled to Cappadocia, where he died around 360.
Innocent of Kherson
Hierarch, Ιννοκέντιος Χερσώνος
Innocent Borisov was born in 1800 and became one of the most celebrated preachers and theologians of the Russian Church, teaching at Kiev and serving as Archbishop of Kherson and Taurida. During the Crimean War he ministered fearlessly in besieged Sevastopol and Odessa.
Name days: Innokentios, Innocent
Zenobios of Florence
Hierarch, Ζηνόβιος Φλωρεντίας
Zenobios was born in Florence to a noble family and was brought to Christ by his teacher. Ordained by the bishop of Florence, he became a friend of Saint Ambrose of Milan and later Bishop of Florence himself.