In those days, between our Saviour's ascension and Pentecost. Peter, as generally, spake for and amongst the apostles; but now especially, to express his zeal and faithfulness to our Saviour, whom he had so lately denied, he being also designed the minister of the circumcision, which place he began now to execute. The number of the names, or persons, together were about an hundred and twenty; probably Christ had converted many men, but these might be either men of name or quality, or meant of such as, Acts 1:21, had accompanied with Christ and his apostles, and were designed for the ministry.
Related Commentaries of Acts 1:15
Acts 1:15
15 And in those days Peter stood up in the midst of the disciples, and said, (the number of names together were about an hundred and twenty,)