As always, it is a matter of interpretation when it comes to one's personal belief in the Creation. I have always tended to think of the 7 days of creation as 7 indeterminate time periods that the original author calls "days". If one looks at the breakdown of events in the scriptures dispassionately, then a pattern of an evolving creation emerges. That God has the power to speak it all into existence in 7 literal days is beyond my understanding, but then, who can know the mind of God.
That he played a role in the process is undoubted by me, for therein lies faith, the evidence of things not seen. I think that for we humans, so limited in our understanding, to try to discern how long it actually took for the world and the universe to be created or evolved is almost ludicrous. It's like an ant trying to describe the planet earth through looking out from atop his anthole. Until we are able to get a larger view we will never really truly understand it. That we shouldn't try would be wrong. It is one of the reasons God gave us such driving curiosity. Then again, my cat has driving curiosity too.
Regards,
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