It does let you see what's available, if there are slots. I am at the 30 day mark and can start doing mine. I wasn't really thrilled with the options I was given, but accepted one just to have them. Then I went back in and could change each individual fp and for some, there were many other time options available. My first day is Magic Kingdom, and we'll have another day there as well, I think I may just need to leave these for now and see what's available when my second day opens up--then do my tweaking. Hope some times open up for you!