Welcome to worship with us at GCM and GCO on this Pentecost weekend! Today is Pentecost is a day to celebrate the birth of the church by the coming of the Holy Spirit. It’s also a day that launched the church’s participation in Jesus’ mission to the world. But Pentecost also was also foreknown before the disciples gathered in the upper room. Seeing the origin of Pentecost will help to understand in more depth what this day means for us. Let us look at the Pentecost story in Acts 2.