How long do you figure it will take God to make a new heaven and a new earth, as foretold in Scripture that He will do? What about all the other miracles of the Bible? How long did those take?
You obviously missed my simple point: The bible uses patterns that aren't day-to-day realities. Youreinterpretation is by no means "clear" unless you presuppose a priori that young-earthism is correct. Sorry, rationalizing the Bible to preconceived beliefs doesn't work.
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Exodus 20:11 is often held up as undeniable proof of 24-hour creation days. If that is true, what of Leviticus 25:1-4, which uses the creation week pattern in terms of years? Apparently the creation week is used as a pattern of one out of seven in both cases, not a real-time reference. Another type of pattern is the eight day Feast of the Tabernacles in Leviticus 23:33-36. It celebrated Gods protection in the desert that lasted forty years - obviously eight days is not a one-to-one correlation with forty years. Also consider that Moses authored both of these passages.
P.S. Who said the years were vague or in question? The verse assigns 8 days to a 40 year period, yet you turn around and claim a 7 day week can't be applied to a long age? You can't have it both ways.