Genesis 1:14

14 And God said, “Let there be lights in the vault of the sky to separate the day from the night, and let them serve as signs to mark sacred times, and days and years,

Read Genesis 1:14 Using Other Translations

And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years:
And God said, "Let there be lights in the expanse of the heavens to separate the day from the night. And let them be for signs and for seasons, and for days and years,
Then God said, “Let lights appear in the sky to separate the day from the night. Let them be signs to mark the seasons, days, and years.