How old is the earth, and how long were the days? Study Genesis 1 with context, apologetic analysis, and cross-references.
Genesis 13 questions
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Commentary provenance
Dr. Lucas D. Shallua Commentary · GENESIS 1 — GOD CREATES THE HEAVENS AND THE EARTH
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The precise difficulties
How old is the earth, and how long were the days?
Does Genesis 1 conflict with science?
Why the plural "let us make"?
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Verse and question study
How old is the earth, and how long were the days?
The text does not state the earth's age. Faithful interpreters read the days as twenty-four hours, as a framework, or as long periods; all affirm God as creator, Adam and Eve as historical, and a real fall. The text's purpose is theological — who made the world and why — and it is unwise to load the chapter with more scientific detail than it carries.
Does Genesis 1 conflict with science?
It conflicts with any account that removes God or reduces humans to accidents, since those deny its central claims. On physics, geology, and biology the relationship is debated among believers; many find the text remarkably compatible with a universe that had a beginning, is fine-tuned, and unfolds in ordered stages, while others press different harmonizations. The text itself does not present a scientific textbook but a theological proclamation — and where science and Scripture seem to clash, both humility and confidence are in order: confidence in the text's truth, humility about every reading of either book.
Why the plural "let us make"?
The text gives no explanation, and several readings exist. The Christian church, reading canonically in the light of the Son and Spirit, hears an adumbration of the Trinity without building a doctrine on this verse alone.
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Historical and literary context
Genesis is the book of beginnings — of the world, of humanity, of sin, of nations, and of the covenant people through whom God will bless the earth. The Hebrew title berēʾšît (“in the beginning”) names the book by its first word, as ancient titles often did. The Greek translators called it Genesis, “origin,” from 2:4, and that title captures the whole: origins explained not by accident but by the will of the one God. The book carries the marks of Mosaic authorship — its covenant framework fits Sinai, it knows Egyptian geography intimately, and both Old and New Testaments treat Moses as the writer of the Law. Scholars note that small post-Mosaic touches (such as the updated place names in 14:14, where Dan's name reflects a later period) show that, like other ancient works, the text was reverently updated for later readers; this is compatible with Mosaic authorship as the source of the whole. The opening chapters stand among the most discussed passages in Scripture. They must be read as real history and theology, not myth: Jesus and the apostles treat Adam and Eve, the fall, and the flood as events (Matthew 19:4–6; Romans 5:12–19; 1 Peter 3:20). At the same time, the creation days have been understood in several faithful ways — as twenty-four-hour days (the traditional reading), as days framing a longer process (day-age and analogical-day views), or as a literary framework presenting the work of creation in two triads. These views all affirm God's direct creation and humanity's special making; the commentary notes them and holds the details with humility, since the text's central claim — God created, and creation is good — is not in dispute among them. Ancient readers knew the pagan creation epics of Babylon and Egypt, in which the world emerges from the combat and copulation of gods, and humans are made to serve the gods as slaves. Genesis deliberately overthrows every rival account: there is one God, no rivals, no struggle, no pre-existing matter wrestled into shape, and humanity is royalty made in God's image, not drudges made to feed idle deities. The cultural polemic of the chapter is quiet and total.
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Apologetic note
Genesis 1 stands without parallel in the ancient world. Babylon's Enuma Elish has the world born from divine warfare and humans made as slave labor to feed the gods; Genesis has one God, effortless speech, and humanity as royalty. The discovery that the universe had a beginning (against the expectations of earlier generations of atheists) fits the Bible's opening claim. The chapter also matches what experience knows: the world is orderly, intelligible, fruitful, and beautiful — features the text attributes to a good Maker rather than to chance.