Good evening Ugly,
So, let me ask the question: What would cause people to not believe that the evening and the daylight represented a literal 24 hour day? The day always begins at sunset and ends at sunset. Jesus told us that a day was 12 hours long and therefore 12 hours of night equaling 24 hours:
"Jesus answered, "Are there not twelve hours in the day? If anyone walks in the day, he does not stumble, because he sees the light of this world."
Regarding this, we have a genealogy in scripture that takes us from Jesus to Abraham to Adam. Adam was created on the 6th day. If anyone wanted to claim that the six days of creation were millions of years long, then we would have a problem because they would be mixing regular 24 hour days with the so-called millions of years equaling one day scenario, as Adam's creation was apart of the six days of creation which is used in Christ's genealogy. By looking for another explanation other than a literal 24 hour day, the person who does so would seem to have an issue regarding God's power and ability to speak something into existence by His word or by His will.