System.Globalization.Calendar.GetHour C# (CSharp) Method

        public virtual int GetHour(DateTime time) {
            return ((int)((time.Ticks / TicksPerHour) % 24));
        }

 private string GetDateTimeInPersianCalendar(DateTime dateTime)
 {
     return(string.Format("{0:0000}/{1:00}/{2:00}-{3:00}:{4:00}",
                          PersianCalendar.GetYear(dateTime),
                          PersianCalendar.GetMonth(dateTime),
                          PersianCalendar.GetDayOfMonth(dateTime),
                          PersianCalendar.GetHour(dateTime), PersianCalendar.GetMinute(dateTime)));
 }