Yes, I think it litteraly means 24 hour days. Because it clearly says things along the lines of "and it was evening and morning on the X day..." etc.
Also, if it were Biblical "ages" which some see as a way to rationalize scientific findings with the bible acounts, you will notice that the animals were created in the wrong order for the fossil record. Not only that, but he creates light before there is a sun and moon, and a bunch of other wierd things that don't quite go together.
[This message has been edited by Yaro, 09-20-2003]