The Feast of the Holy Spirit is a Christian celebration that honors the descent of the Holy Spirit upon the apostles, as described in the Bible in the book of Acts of the Apostles. This event is traditionally observed on the seventh Sunday after Easter, marking the conclusion of the Easter season. It is also known as Pentecost, which means "fiftieth" in Greek, as it occurs fifty days after Easter Sunday. During this feast, many Christian communities hold special services, including prayers and hymns, to commemorate the gifts of the Holy Spirit. The celebration emphasizes themes of unity, empowerment, and the mission of the Church. In some cultures, it is also associated with various local customs and traditions, reflecting the diverse ways in which the Holy Spirit is honored.