In preparation for the day of Pentecost, the disciples prayed together and a new apostle, called by Christ (v. 24), replaced Judas.
BibleGateway: Acts 1:12-26 ESV Text: Acts 1:12-26 KJV Text: The section starts at about 1:43 and ends at about 4:1 12 Then returned they unto Jerusalem from the mount called Olivet, which is from Jerusalem… In preparation for the day of Pentecost, the disciples prayed together and a new apostle, called by Christ (v. 24), replaced Judas.