Untitled

    Public static hourCount TimeCalcHr(DateTime StartTime, Datetime EndTime)
    {
        hourCount hours = new hourCount();
        //everything is in minutes
        integer morningMinutes = 0;
        integer eveningMinutes = 0;

        integer startMinutes = StartTime.Hour() * 60 + StartTime.Minute();
        integer endMinutes = EndTime.Hour() * 60 + EndTime.Minute();
        integer wholeDays = startTime.date().daysBetween(EndTime.date());
        bool spansDays = false;
        if (wholeDays > 0){
                wholeDays --;
                spansDays = true;
        }
        morningMinutes += wholeDays * 6 * 60;
        eveningMinutes += wholeDays * 18 * 60;

        if(startMinutes < 360) //minutes in the first half of the day
        {
            morningMinutes += math.MIN(endMinutes,360) - startMinutes;
        }
        else
        {
                eveningMinutes += math.MIN(endMinutes,1440) - startMinutes;
        }
        if (startMinutes < 360 || spansDays){
                if(endMinutes > 360 &&  )
                {
                        eveningMinutes += endMinutes - 360;
                        if(spansDays)
                                morningMinutes += 360;
                }
                else
                {
                        morningMinutes += endMinutes;
                }
        }
        hours.nightHours = math.ceil(morningMinutes / 60);
        hours.dayHours = math.ceil(eveningMinutes/ 60);
        return hours;
    }