But, beloved, be not ignorant of this one thing, that one day is with the Lord as a thousand years, and a thousand years as one day.
2 Peter 3:8
Scientist say the earth is 4.5 Billion years old. Some Christians says the earth is less than 10 thousand years old.
The Bible doesn't say how old the earth is.
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Unless each day can be looked back upon by an individual
as one in which he has had some fun, some joy, some
real satisfaction, that day is a loss.