May 28 (Eastern Orthodox liturgics)
May 27 - Eastern Orthodox Church calendar - May 29
All fixed commemorations below celebrated on June 10 by Orthodox Churches on the Old Calendar.
For May 28th, Orthodox Churches on the Old Calendar commemorate the Saints listed on May 15.
Saints
Hieromartyr Eutychius of Melitene, Bishop of Melitene- Woman martyr Heliconis of Thessalonica
- Saint Alexander, Bishop of Thessalonica
- Hieromartyr Helladius of the East, bishop Venerable Nicetas the Confessor, Archbishop of Chalcedon Blessed Andrew of Constantinople, Fool-for-Christ of Constantinople
- ''Venerable Virgin-Martyr Philothea, Wonderworker''
Pre-Schism Western saints
- Martyrs Crescens, Paul, Dioscorides and Helladius, of Rome
- Martyrs Aemilius, Felix, Priamus, and Lucian, in Sardinia.
- Saint Senator of Milan, Bishop of Milan,
- Hieromartyr Caraunus, Deacon, near Chartres
- Saint Justus of Urgell, first recorded Bishop of Urgell, in Catalonia in Spain
- Saint Germain of Paris, Bishop
- Saint William of Gellone, built a monastery at Gellone in France, later named Saint-Guilhem-le-Désert
- Saint Podius, Bishop of Florence from 990, and Confessor
Post-Schism Orthodox saints
Saint Ignatius of Rostov, Bishop and Wonderworker- Saint Gerontius, Metropolitan of Moscow
- Venerable Sophronius of Bulgaria, Monk
- New Martyr Demetrius of Tripolitsa
- New Hieromartyr Zachariah, Priest of Prusa
- Saint Helen Manturova, Nun of Diveyevo
- Blessed Domnica, Ascetic of Cherson
New martyrs and confessors
- Hieromartyrs Macarius Morzhov, and Nicholas Aristov
- Martyrs Dionisius Petushkov, Ignatius Markov and Peter Yudin
- Hieromartyr Heraclius Motyah, Confessor
- Hieromartyr Basil Preobrazhensky, Priest
- Hieromartyr Hermogenes Kadomtsev
Other commemorations
- Icon of the Mother of God of Nicea
- Icon of the Mother of God "the Unbreakable Wall".
- Icon of the Mother of God the "Softener of Evil Hearts".
- Synaxis of the Galich "Umilenie-Tenderness" Icon of the Mother of God ''''