21st of May in Old Style
3rd of June in New Style

Saturday

Equal-to-tlle-Apostles Constantine, Emperor (337). Equal-to-tlle-Apostles Helena mother of Emperor Constantine (327). Blessed Constantine, prince with his children Michael and Theodore, wonderwor- kers of Murom (1129). St. Cassian the Greek, monk of Uglich (1504). St. Agapitus, abbot of Marku- shev (Vologda - 1558). Martyr Pachomius of Patmos (1780). St. Basil, bishop of Ryazan. St. Hospicius of Thier (Gaul). Repose of Elder Isaac of Dionysius Monastery of Mt. Athos (1932).