March 25 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 March 25 are broadly the same, no matter which calendar is used.
The Annunciation of Our Most Holy Lady, the Theotokos and Ever-Virgin Mary.
Saint Dismas the Good Thief, crucified next to Christ (1st century) (see also: October 12; Good Friday)
Martyrs Pelagia, Theodosia, and Dula, at Caesarea Palestinae, by the sword (361)
The Holy Martyr who was formerly an executioner.
Venerable Sennouphios the Standard-bearer, of Latomos Monastery in Thessalonica (9th century)
Venerable Timon the Hermit (10th century).
Saint Quirinus of Tegernsee (Quirinus of Rome), a martyr who suffered in Rome under Claudius II (c. 269)
Saint Irenaeus of Sirmium, Bishop in Pannonia (Hungary), martyred under Diocletian at Sirmium (Mitrovica) (304) (see also: March 26)
Saint Caimin of Inis Cealtra, Bishop-Abbot of Inis Cealtra and possibly the first Bishop of Killaloe (653) (see also: March 24)
Saint Humbert of Maroilles, a disciple of St Amandus who helped found the monastery of Marolles in Belgium (c. 680)
Saint Hermenland (Hermeland, Herbland, Erblon), monk at Fontenelle, ordained priest and sent with twelve monks to establish a new monastery on the island of Aindre (Indret) in the estuary of the Loire (c. 720)
Saints Barontius and Desiderius (c. 725)
Saint Kennocha (Kyle, Enoch), nun at a convent in Fife, held in great veneration in Scotland, especially around Glasgow (1007)
Saint Ælfwold, a monk at Winchester who was chosen as Bishop of Sherborne in 1045 (1058)
Saint Nicander, hermit, of Pskov (1582) (see also: September 24)
Venerable Parthenius of the Kiev Caves (1855)
Venerable Savvas the New of Kalymnos (1947) (see also: March 24; April 7 - Greek; the fifth Sunday of Great Lent)