The issue about the length of is put to rest by the fact that the vegetation, etc., was created on the third day, while the sun was not created until the fourth. Just how many years can a bush, tree, crop go without the sun? The thousand day argument is used as a guideline for measing time in some prophetic passages, as in the day of the Lord referencing the 1000 reign of Christ on the earth.
So God is limited in his abilities?