Verse 1
Acts 3:1
Went up together -- Peter and John seem to have had a close friendship, and were a part of Jesus’ inner circle. They had also been partners in the fishing business on the Sea of Galilee Luke 5:10.
Into the temple -- These early Jewish Christians still continued to observe many of the rites of Jewish worship. This is also a good time and place to reach out to many people with the gospel.
Hour of prayer -- Psalms 55:17; Daniel 6:10
Ninth hour -- 3:00 p.m. in the afternoon. A time when many devout Jews would be gathered for prayer and the evening sacrifice. [The length of an "hour" varied according to the season.]