private static DateTime FinishHoliday(DateTime dateTime, Holiday holiday)
        {
            var remain = holiday.EndTime.Day - DateTimeToDate(dateTime, holiday.IsChineseFestival).Day + 1;

            return(dateTime.AddDays(remain));
        }
 private static bool IsInHolidayRange(Holiday holiday, Date date)
 {
     return(holiday.StartTime.Month == date.Month &&
            holiday.StartTime.Day <= date.Day &&
            date.Day <= holiday.EndTime.Day);
 }