Sun and Moon

The Millennial Kingdom will have a sun and moon, although the sun will be a dim glimmer compared to what it is now. The majority of the light in the Millennial Kingdom will be the glory of the Lord who now inhabits Jerusalem.

Firmament 2

Mindmap of the sequential development of the firmament rabbit trail

And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years: