Revelation 21:25
And the gates of it shall not be shut by day; (for there shall be no night there.)
Revelation 22:5
And there shall be no more night; and they have no need of a lamp, nor of the light of the sun; because the Lord God shall enlighten them: and they shall reign for ever and ever.
Revelation 21:23
And the city had no need of the sun, neither of the moon, to shine in it; for the glory of the Lord enlightened it, and the Lamb is the light of it.
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 more night; and they have no need of a lamp, nor of the light of the sun; because the Lord God shall enlighten them: and they shall reign for ever and ever.