April 24 in Eastern Orthodox liturgical calendars is a feast day and a day of commemoration of saints and martyrs. Although some Orthodox churches use the Revised Julian Calendar and others use the traditional Julian calendar, the fixed commemorations for their respective April 24 are broadly the same, no matter which calendar is used.
Martyr Sabbas Stratelates ("the General") of Rome, and 70 soldiers with him (272)
Martyrs Pasicrates, Valentine, and Julius, at Dorostolum in Moesia (297)
Martyrs Eusebius, Neon, Leontius, Longinus, and four others, at Nicomedia (c. 303)
Saint Innocent, priest, on the Mount of Olives (4th century)
Venerable Thomas, Fool-for-Christ, of Syria (c. 550)
Venerable Elizabeth the Wonderworker, of Constantinople (6th-8th centuries)
Venerable Thaumastos (the Wonderworker) (6th century)
Saint Xenophon, founder of Xenophontos monastery, Mt. Athos (c. 1018)
Martyr Alexander of Lyon, and companions (c. 177)
Martyrs Felix, Fortunatus, and Achilleus, at Valence in France (212) (see also: April 23)
Saint Gregory of Elvira, Bishop of Elvira in the south of Spain (c. 394)
Saint Dyfnan, born in Wales, he founded a church in Anglesey (5th century)
Saint Deodatus of Blois (Dié), a hermit near Blois in France, later the town of Saint-Dié grew up around his cell (c. 525)
Saint Honorius of Brescia, a hermit near Brescia in Italy who was chosen bishop of that city (c. 586)
Saint Mellitus, the first Bishop of London in the Saxon period, the third Archbishop of Canterbury, and a member of the Gregorian mission sent to England (624)
Saint Authaire (Oye) (7th century)
Saints Bova and Doda (7th century)