Genesis 1:14-19

Then God said, “Let there be lights in the sky to separate day from night. These lights will be used for signs, seasons, days, and years. They will be in the sky to give light to the earth.” And it happened. So God made the two large lights. He made the brighter light to rule the day and made the smaller light to rule the night. He also made the stars. God put all these in the sky to shine on the earth, to rule over the day and over the night, and to separate the light from the darkness. God saw that all these things were good. Evening passed, and morning came. This was the fourth day.