And God said, Let there be a firmament in the midst of the waters, and let it divide the waters from the waters.
And God made the firmament, and divided the waters which were under the firmament from the waters which were above the firmament: and it was so.Genesis 1:7 KJV
And God called the light Day, and the darkness he called Night. And the evening and the morning were the first day.Genesis 1:5 KJV