void printInterval(int day_date1,int month_date1,int year_date1,int day_date2,int month_date2, int year_date2)
{
    int Julian1;
    int Julian2;
    Julian1=findJulian(day_date1,month_date1,year_date1);
    Julian2=findJulian(day_date2,month_date2,year_date2);
    if (Julian2>=Julian1)
    {
        if (year_date2-year_date1>=2)
        {
            if ((Julian2-Julian1)==1)
            {
                cout << "Time interval:   " << (year_date2-year_date1) << " years and " << Julian2-Julian1 << " day"<<endl;
            }
            else
            {
                cout << "Time interval:   " << (year_date2-year_date1) << " years and " << Julian2-Julian1 << " days"<<endl;
            }

        }
        else
        {
            if ((Julian2-Julian1)==1)
            {
                cout << "Time interval:   " << (year_date2-year_date1) << " year and " << Julian2-Julian1 << " day"<<endl;
            }
            else
            {
                cout << "Time interval:   " << (year_date2-year_date1) << " year and " << Julian2-Julian1 << " days"<<endl;
            }
        }
    }
    else
    {
        if (year_date2-year_date1>=2)
        {
            if ((Julian2-Julian1)==1)
            {
                cout <<"Time interval:    " << ((year_date2-year_date1)-1) << " years and " <<(((daysInYear(isLeapYear(year_date1)))-Julian1)+Julian2)<< " day"<<endl;
            }
            else
            {
  {
                cout <<"Time interval:    " << ((year_date2-year_date1)-1) << " year and " <<(((daysInYear(isLeapYear(year_date1)))-Julian1)+Julian2)<< " days"<<endl;
            }
        }
    }
}