public DateTime GetNextDay()
        {
            if (ChildrenLogic.Count == 0) // if nothing to base off of, just start today
            {
                return(DateTime.Today);
            }

            DateTime nextDay = ChildrenLogic.Max(day => ((CoatingScheduleDay)day).Date);

            return(ShiftHandler.CoatingInstance.GetNextWorkingDay(nextDay));
        }