Holy King Stephen the First-Crowned of Serbia, in monasticism Simon.
St. Stephen was the son of St. Symeon the Myrrh-streaming and brother of St. Sava, and the first crowned king of Serbia. He ruled with justice, built churches and monasteries including Zica, and before his death received the monastic tonsure with the name Simon.
He reposed in 1228 and his relics rest at Studenica. He is commemorated on September 24.
Feast day
On the New Calendar, Stephen the First-Crowned of Serbia is commemorated on September 24. Churches on the Old (Julian) Calendar keep the feast on October 7 of the civil calendar.
Also commemorated on September 24

Silouan the Athonite
Venerable, Σιλουανός ο Αθωνίτης
Venerable Silouan the Athonite, monk of St. Panteleimon Monastery and teacher of prayer for the whole world.
Kopris of Palestine
Venerable, Κόπρις
Venerable Kopris of the monastery of St. Theodosios in Palestine.