thumb|An [[Eastern Orthodox Church|Eastern Orthodox cross]]
March 23 - Eastern Orthodox liturgical calendar - March 25
All fixed commemorations below are observed on April 6 by Eastern Orthodox Churches on the Old Calendar.
For March 24th, Orthodox Churches on the Old Calendar commemorate the Saints listed on March 11.
Feasts
- Forefeast of the Annunciation.
Saints
- Saint Artemon, Bishop of Seleucia in Pisidia (1st century)
- Hieromartyr Artemon, presbyter of Laodicea (284-305) <small>(see also: April 12, April 13)</small>
- Martyr Timolaus and 7 Companions with him (8 Martyrs), in Caesarea Palaestina, by beheading (305)
- Venerable Zachariah the Recluse, of Egypt (4th century)
- Venerable Martin of the Thebaid, monk.
- Venerable Abraham of Mount Latros, ascetic.
- Saint Thomas, Abbot of the monastery of St. Euthymius (542)
- Venerable Jacob of Catania (James the Confessor), Bishop of Catania (c. 730)
- Martyrs Romulus and Secundus, brothers, in Mauritania (Barbary), who suffered for the faith of Christ.
- Saint Pigmenius, a priest in Rome thrown into the Tiber under Julian the Apostate (362)
- Saint Macartan (Macartin, Maccarthen, Mac Cairthinn of Clogher), an early disciple and companion of St Patrick of Ireland, who consecrated him Bishop of Clogher (c. 505)
- Saint Cairlon (Caorlan, Carláen), an abbot in Ireland who became Archbishop of Armagh (588)
- Saint Caimin of Inis Cealtra (Holy Island) on Lough Derg, Bishop-Abbot of Inis Cealtra and possibly the first Bishop of Killaloe (653) <small>(see also: March 25)</small>
- Saint Hildelith, Abbess of Barking Abbey (c. 712)
