So if God created the Sun and Moon on the fourth day as some interpret the scriptures, then what light did God see in Genesis 1:4
"In the beginning God made the heaven and the earth."
- The Big Bang, then galaxies, stars, planets, including our solar system and our home planet were formed
- massive meteorites bombardment of our planet brought water that covered all the surface of the planet
- 4.5 billion years ago
"But the land was unseen and unfurnished, and darkness was over the deep, and the Spirit of God moved over the water. "
- planet was full of water with dense, thick and dark atmosphere, no dry land was visible or prepared for the life
- moon was so near and the rotation of the planet so rapid, that megastorms and wild huge tides were all that was there
"And God said, Let there be light, and there was light."
- the atmosphere of the planet changed from the dark one to translucent
- the changing of the dark/light (night/day) begun, but without sun, moon or stars being visible
"And God said, Let there be a firmament in the midst of the water, and let it be a division between water and water, and it was so.
And God made the firmament, and God divided between the water which was under the firmament and the water which was above the firmament."
- waters of the planet were separated and the atmosphere was created
"And God said, Let the water which is under the heaven be collected into one place, and let the dry land appear, and it was so. And the water which was under the heaven was collected into its places, and the dry land appeared."
- molten rocks bursts to the surface of waters and creates first volcanic islands leading to the first continents
- 3.8 billion years ago
"And God said, Let the earth bring forth the herb of grass bearing seed..."
- the evolution of plants begun, sun/moon/stars are not yet visible, but for the first primitive seaweeds and other organisms the light in atmosphere was enough
- 3.5 billion years ago
"And God said, Let there be lights in the firmament of the heaven to give light upon the earth...And God made the two great lights...."
- the atmosphere of the planet changed from translucent to transparent, sun, moon and stars became visible from the surface of the Earth
- "God made" is a retrospective tense, meaning "He made them before", in the verse 1, now He is "placing" them in the firmanent, i.e. making them visible in the sky
- next 2 billion years the first plants were producing oxygen in the atmosphere, preparing the planet for a higher life
- 380 million years ago - first land plants producing even more oxygen
"And God said, Let the waters bring forth reptiles having life, and winged creatures flying above the earth in the firmament of heaven, and it was so."
- the evolution of the living creatures begun in the ocean, this life needs more intensive light and visible sun, moon and stars for migration and other things
- 375 million years ago, first creatures like tiktaalik
- this consequently lead to first reptiles (310 million years ago) and from reptiles to first birds (250-60 million years ago)
"And God said, Let the earth bring forth the living creature according to its kind, quadrupeds and reptiles and wild beasts of the earth according to their kind, and it was so."
- various kinds of land creatures evolved from the water ones, reptiles, mammals and the ones we know today
- 310 million years ago till today
"And God made man, according to the image of God he made him, male and female he made them."
- 200,000 years ago, God created humans able to comprehend God, His plan and creation and gave him dominion over the rest
- maybe He created them from nothing, maybe from the earlier type of homo sapiens, I do not know (I am also not sure about Neanderthals, how they are related and how the mixing with them in Europe changed our DNA)
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Many days were overlapping to other days, for example the evolution of new and new kinds and more complex plants continued also during the evolution of birds, mammals etc and it lasts till today. So also the evolution of continents and pretty much of everything in the Universe is still developing to next and next states, not just creatures mentioned as the last ones.
https://www.youtube.com/watch?v=SYOarZKipnU