1When the day of 2:1 Pentecost (Feast of Weeks) was observed at the time of the grain harvest and the offering of the first fruits, and was one of the three great annual Jewish festivals, along with Passover and the Feast of Tabernacles (Booths). Just as Jesus’ sacrifice was the fulfillment of Passover, the coming of the Holy Spirit was the fulfillment of Pentecost.Pentecost had come, they were all together in one place,
1When the day of Pentecost2:1 That is, Shavuot, the late spring feast of pilgrimage to Jerusalem; it is also known as the Feast of Harvest(see Exodus 23:16) or the Feast of Weeks(see Exodus 34:22). came, they were all together in one place.