14 day park tickets.
 

Hi I've booked onsite for next year 15 nights, included tickets to get free dining plan. On my email it states tickets start on our arrival day, does this mean our arrival day will be day one or can we activate the ticket the following day and that be our day one?

Arrival day is the first day you can use it, but it doesn't actually activate until you use it to enter a park, and that is day 1 :)

We stayed for 15 nights last year. Didn't go to a park on arrival day (arrived at like 10pm so was never going to happen!) and the 14 day ticket worked on "day 15" no problems.