The Pentecost Novena is the first of all novenas, nine days of prayer. After Jesus' Ascension into heaven, He commanded His disciples to come together in the upper room to devote themselves to constant prayer (Acts 1:14). They prayed for nine days before receiving the Holy Spirit on Pentecost.

The Day of Pentecost is celebrated 50 days after Easter in Western branches of Christianity. Church services on this day are marked by red robes and banners signifying the fiery winds of the Holy Spirit. Red flowers may adorn alters and other areas. In Eastern branches of Christianity, the Day of Pentecost is one of the Great Feasts. The Holy Spirit before Pentecost is the second in the Bible study series on the Holy Spirit. The world did not know what happened at Pentecost. The world did not know that God had come to live with His people forever. Holy Spirit before the conversion. Phrase "Holy Spirit" occurs 90 times in the NT and 3 in the OT. The phrase occurs 41 times in Acts