in my application using Day Pilot calendar for client bookings and maintaining provide dairy appointments, when appointment created saving selected data and time from Day pilot calendar, when loading Provider Dairy with appointments and client appointment it will showing exact time of appointment instead of it it showing based time zone.
Example:
i have created one appointment 27-10-2016 9.00AM with Daypilot calender for X provider who working in Perth (Australia)it saving database correctly while loading Daypilot calender it showing different times.