And (1) when the day of Pentecost was (a) fully come, they were (b) all with one accord in one place.
(1) The Apostles being gathered together on a most solemn feast day in one place, that it might evidently appear to all the world that they all had one office, one Spirit, and one faith, are by a double sign from heaven authorised, and anointed with all the most excellent gifts of the Holy Spirit, and especially with an extraordinary and necessary gift of tongues.
(a) Literally, "was fulfilled": that is, was begun, as in (Luke 2:21). For the Hebrews say that a day or a year is fulfilled or ended when the former days or years are ended, and the other has begun; (Jeremiah 25:12): "And it will come to pass that when seventy years are fulfilled, I will visit, etc." For the Lord did not bring his people home after the seventieth year was ended, but in the seventieth year: Now the day of Pentecost was the fiftieth day after the feast of the Passover.
(b) The twelve apostles, who were to be the patriarchs as it were of the Church.