'Prayer' in the Bible

All these with one mind and one purpose were continually devoting themselves to prayer, [waiting together] along with the women, and Mary the mother of Jesus, and with His brothers.

Now Peter and John were going up to the temple at the hour of prayer, the ninth hour (3:00 p.m.),

But we will [continue to] devote ourselves [steadfastly] to prayer and to the ministry of the word.”

They brought these men before the apostles; and after praying, they laid their hands on them [to dedicate and commission them for this service].

They said, “Cornelius, a centurion, an upright and God-fearing man well spoken of by all the Jewish people, was divinely instructed by a holy angel to send for you to come to his house and hear what you have to say.”

Cornelius said, “Four days ago to this hour, I was praying in my house during the ninth hour (3:00-4:00 p.m.); and a man [dressed] in bright, dazzling clothing suddenly stood before me,

and he said, ‘Cornelius, your prayer has been heard, and your acts of charity have been remembered before God [so that He is about to help you].

So Peter was kept in prison, but fervent and persistent prayer for him was being made to God by the church.

When they had appointed elders for them in every church, having prayed with fasting, they entrusted them to the Lord in whom they believed [and joyfully accepted as the Messiah].

and on the Sabbath day we went outside the city gate to the bank of the [Gangites] river, where we thought there would be a place of prayer, and we sat down and began speaking to the women who had come there.

It happened that as we were on our way to the place of prayer, we were met by a slave-girl who had a spirit of divination [that is, a demonic spirit claiming to foretell the future and discover hidden knowledge], and she brought her owners a good profit by fortune-telling.