Venerable
St. Achilles the Bishop of Larissa († c. 330)
In Russian: Прп. Ахиллия, еп. Ларисийского (ок. 330)
In Church Slavonic: Прпⷣбнагѡ а҆хі́ллїѧ, є҆пі́скопа Ларисийского (ок. 330)
Feast days
2026
Old calendar
- (15 May on the Old calendar), repose
New calendar
- , repose
2027
Old calendar
- (15 May on the Old calendar), repose
New calendar
- , repose
Also commemorated on 28 May 2026
- Venerable Pachomius the Great, Founder of Cœnobitic Monasticism († c. 348)
- St. Isaiah the Bishop and Wonderworker of Rostov († 1090)
- Blessed Crown Prince Demetrius of Uglich and Moscow († 1591)
- Venerable Isaiah the Wonderworker of the Kiev Near Caves († 1115)
- Venerable Pachomius the Abbot of Nerekhta († 1384)
- Venerable Euphrosynus the Abbot and Wonderworker of Pskov († 1481) and his disciple Serapion († 1480)