50 Days after Easter is the feastday Pentecost (Whitsunday), also called Holy Trinity. The Holy Ghost feastday is on the following day.Name day of everyone called Trayko, Trayan, Trayana.
It is a church feast that commemorates the Descent of the Holy Ghost upon the Apostles, fifty days after the Resurrection of Christ - on the ancient Jewish festival called the "feast of weeks" or Pentecost. It also has the name of Whitsunday, because of the white garments which were worn by those who were baptised during the vigil; while the name Pentecost ("Pfingsten" in German), comes from the Greek word for "the fiftieth" (i.e. fiftieth day after Easter).
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