They're not fourteen in KH2.

Also, I don't think it's real time. My understanding is that it just has progression of day to night, but is not real time.

Also, the abilities mentioned by Master Quan work as follows, according to the trusted source, the Ansem Report.
-There are various aspects that work towards the completion of the world, such as time taken to complete it and other such things.
-After the completion of the world, one of the three abilities will be learned depending on the completion precentage.

It is not known whether or not you will be able to go back and get the other abilities you may have missed, but it is assumed that you will.