Genesis 1:4-6

New Revised Standard Version, Anglicised Catholic Edition

⁴ And God saw that the light was good; and God separated the light from the darkness. ⁵ God called the light Day, and the darkness he called Night. And there was evening and there was morning, the first day.

⁶ And God said, ‘Let there be a dome in the midst of the waters, and let it separate the waters from the waters.’