Revelation 21:25
And the gates of it are not to be shut by day: for there shall be no night there.
Revelation 22:5
And there shall be no night there: and they have no need of a candle, nor of the light of the sun; for the Lord God giveth them light; and they shall reign for ever and ever.
Revelation 21:23
And the city hath no need of the sun, nor of the moon, to shine in it: for the glory of God enlighteneth it, and the Lamb is it's light.
Treasury of Scripture Knowledge
Summary
And the gates of it shall not be shut at all by day: for there shall be no night there.
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Bible References
For
Revelation 22:5
And there shall be no night there: and they have no need of a candle, nor of the light of the sun; for the Lord God giveth them light; and they shall reign for ever and ever.