Assuming this year's schedule for nighttime entertainment is similar to the past, I would guess that F! and fireworks will only be on weekends (Fri, Sat, and Sun) evenings. At this point, no really knows what the plan is for PtN, but (and this is a big guess) I would tentatively guess that it will be presented daily (except perhaps on nights when MHP happens, assuming the party remains in DL) just because it's been getting such good reviews and seems very popular. While fireworks have also been getting reviews and are popular, DLR is constrained on the number of nights per year when they can present fireworks due to agreements with the City of Anaheim. So my thought is that limitation will still be in place.