Event Details (or "Schedule"): The "when" and "where" for everything.
Ceremony: Full date, start time, and full address of the venue.
Reception: Full date, start time, and full address (even if it's the same as the ceremony).
A simple timeline:
Example:
4:00 PM: Guest Arrival
4:30 PM: Ceremony Begins
5:00 PM: Cocktail Hour
6:00 PM: Dinner & Reception