Revelation 21:25
And the gates of it will, no, not be locked by day, for there will be no night there.
Isaiah 60:11
Thy gates also shall be open continually. They shall not be shut day nor night, that men may bring to thee the wealth of the nations, and their kings led captive.
Zechariah 14:7
But it shall be one day which is known to LORD, not day, and not night. But it shall come to pass, that at evening time there shall be light.
Revelation 22:5
And there will be no night there, and they have no need of a lamp and the light of sun, because Lord God will illuminate them. And they will reign into the ages of the ages.
Isaiah 60:20
Thy sun shall no more go down, nor shall thy moon withdraw itself, for LORD will be thine everlasting light. And the days of thy mourning shall be ended.
Revelation 21:23
And the city has no need of the sun, nor of the moon, so that they might shine in it, for the glory of God illuminated it, and the light of it is the Lamb.