Luke 2:37

though she was now a widow, of about eighty-four years, who departed not from the temple, attending the divine service, with fastings and prayers night and day:

1 Timothy 5:5

But she who is a widow indeed, and abandoned to solitude, hopeth in God, and continueth in supplications and prayers night and day.

Acts 14:23

Then appointing them presbyters in every city, by prayer with fastings they commended them to the Lord, on whom they had believed.

Luke 5:33

Then said they unto him, Why do the disciples of John observe frequent fasts, and make prayers; but thine are eating and drinking?

Acts 13:3

Then having kept a fast and prayed, and laid their hands on them, they sent them out.

Acts 26:7

which promise our twelve tribes, with fervour night and day worshipping God, hope to attain. For which hope, king Agrippa, I am criminated by the Jews.

Revelation 3:12

He that overcometh, I will make him a pillar in the temple of my God, and he shall never more go out from thence: and I will write upon him the name of my God, and the name of the city of my God, the new Jerusalem, which cometh down out of heaven from my God, and my own new name.

Revelation 7:15

Therefore are they before the throne of God, and serve him day and night in his temple: and he that sitteth on the throne shall dwell among them.

Treasury of Scripture Knowledge

Summary

And she was a widow of about fourscore and four years, which departed not from the temple, but served God with fastings and prayers night and day.

Bible References

But

Acts 26:7
which promise our twelve tribes, with fervour night and day worshipping God, hope to attain. For which hope, king Agrippa, I am criminated by the Jews.
1 Timothy 5:5
But she who is a widow indeed, and abandoned to solitude, hopeth in God, and continueth in supplications and prayers night and day.
Revelation 7:15
Therefore are they before the throne of God, and serve him day and night in his temple: and he that sitteth on the throne shall dwell among them.