Midfeast of Pentecost
Today’s celebration is the midpoint of the fifty days between the Feasts of Pascha and Pentecost. Saint John tells us (John 7:14) that “in the midst of the feast Jesus went up into the Temple, and taught.” The Feast in question is the Feast of Tabernacles (celebrated in September), not Pentecost
https://www.oca.org/saints/lives/2022/05/18/38-midfeast-of-pentecost