Activity for Private User

I plan to have Prelude, Processional, scripture readings, vows, rings, solo(s), communion for couple, sand ceremony and Recessional. How long should I allow for all of this?

I'm confused....should i put the time I want the guests to arrive on the invitation or should I but the ceremony start time? Transportation will be provided for guests to the ceremony site so must coordinate accordingly. Problem - we gain an hour the...