The Bible keeps its own clock. From Adam to Abraham, Genesis records every father's age at his son's birth — a chain of years you can add up yourself, woven from lives so long they overlap across the centuries.
“This is the book of the generations of Adam.” — Genesis 5:1 (WEB)
Every thread is a life, flowing left to right across the years since creation. Watch them overlap — the long lives reach across generations. Pull the golden thread to trace the chain of living memory from Adam to Abraham.
Add the fathers' ages and the years fall into place — though the total depends on which manuscript tradition you read. The Bible's own honest range.
After the Flood, Genesis 10 traces some seventy peoples from Noah's three sons — the family tree of the nations. Tap a people to trace its thread back to Noah, and to see where it settled.
Nation names are from Genesis 10. Settlement regions are the traditional scholarly identifications — perspective, not Scripture.
Faithful Christians read the evidence differently. The chronology above is the Bible's data; what follows is honest perspective.
Reads the Genesis days as ordinary days and the genealogies as a continuous chain, giving an earth roughly 6,000 years old. Held by ministries like Answers in Genesis, who also caution against weak arguments — rigor matters.
Reads the days as ages, or sees gaps in the genealogies, and accepts the mainstream scientific age of about 4.5 billion years — while still affirming God as Creator and Genesis as true.
As GotQuestions puts it, the age of the earth is not a salvation issue, and old-earth creationism is not heresy. Genesis' purpose is to tell us who created and why. This exhibit gives you the Bible's own numbers so you can reckon for yourself.
Chronology & genealogies: Genesis 5, 10, 11 (WEB & KJV via api.bible), every age verified against the text. Reckoning: Ussher (1650). Perspective: GotQuestions · Answers in Genesis. Full list on the Sources page.