Holy Martyr Heron the Philosopher.
The synaxaria record that Saint Heron was a philosopher who embraced Christ and confessed Him before the pagans, for which he was put to death.
He is honoured among the martyrs of this day.
Feast day
On the New Calendar, Heron the Philosopher is commemorated on August 10. Churches on the Old (Julian) Calendar keep the feast on August 23 of the civil calendar.
Also commemorated on August 10

Lawrence the Archdeacon
Martyr, Λαυρέντιος
Holy Archdeacon-Martyr Laurence of Rome.
Name days: Lavrentios, Lawrence, Laurence, Lorenz, Lauro
Sixtus of Rome and Hippolytus
Hierarch, Ξύστος Ρώμης και Ιππόλυτος
Hieromartyr Sixtus, Pope of Rome, with the Martyr Hippolytus, companions of the Archdeacon Lawrence.
Agathonike of Carthage
Holy Woman, Αγαθονίκη η εν Καρχηδόνι
Holy Virgin Martyr Agathonike, who suffered at Carthage.