Arcana Coelestia #480
480. It is clear from Genesis 1:26-27 as well, that 'they were called Man on the day in which they were created', that is to say, at the end of the sixth day, which answers to the evening of the Sabbath, or start of the Sabbath or seventh day. For as shown already, the seventh day or Sabbath is the celestial man.
Heaven and Hell #126
126. Light and Warmth in Heaven
People who think solely on the basis of nature cannot grasp the fact that there is light in the heavens; yet in the heavens there is so much light that it is vastly greater than noonday light on earth. I have seen it often, even during our evenings and nights. At first I was amazed when I heard angels saying that our world's light was nothing but shadow in comparison to heaven's light, but now that I have seen it, I myself can bear witness. Its brightness and brilliance are beyond description. What I have seen in heaven I have seen in that light, and therefore more clearly and distinctly than what I have seen in this world.