Genesis 1:8
And God called the *firmament Heaven. And the evening and the morning were the second day.
And God called the firmament Heaven. And the evening and the morning were the second day.
NKJV: And God called the firmament Heaven. So the evening and the morning were the second day.
ESV: And God called the expanse Heaven. And there was evening and there was morning, the second day.
*:
firmament-sky.