Genesis 1:5
And God called the light Day, and the darkness he called Night. And the evening and the morning were the first day.
Cross-reference
Genesis 1:8 repeats the same formula: God names the firmament and concludes with 'evening and morning,' marking the second day — parallel structure.
Genesis 1:13 uses the same 'evening and morning' formula to mark the third day, continuing the creation-day pattern established here.
Genesis 1:19 repeats the 'evening and morning' formula for the fourth day, extending the same creation-day structure.
Genesis 1:23 follows the identical pattern with 'evening and morning' marking the fifth day in the ongoing creation sequence.
Genesis 1:31 concludes the sixth day with the same evening-morning formula but adds God's verdict that everything was 'very good.'
Genesis 8:22 promises that day and night shall not cease — affirming the permanence of the day-night cycle God established in creation.
Psalm 74:16 affirms that day and night belong to God — echoing His naming and establishing of both in creation.
Isaiah 45:7 explicitly claims God forms light and creates darkness — directly echoing His creation and naming of day and night.
Jeremiah 33:20 invokes God's 'covenant with the day and night' — its unbreakability traces back to this first establishment of the day-night order in creation.
Exodus 27:21 uses 'evening until morning' as a time unit for tending tabernacle lamps — drawing on the creation ordering of day and night here.
Psalm 19:2 describes day and night as continuously speaking and revealing — building on the day-night framework established in creation.
Psalm 104:20 describes God making darkness into night — echoing the naming of darkness as 'Night' in creation.
In 1 Thessalonians 5:5, believers are 'sons of the day, not of darkness' — drawing on the day/light vs. night/darkness distinction first established here.