import java.time.LocalDate; 
import java.time.Month; 
import java.util.Calendar; 
import java.util.Date; 
import java.util.GregorianCalendar; 

public class JulianBug { 

public static void main(String[] args) { 
System.out.println(ofJulian(200, Month.MARCH, 1) + " must be 0200-03-01"); 
System.out.println(ofJulian(1899, Month.DECEMBER, 20) + " must be 1900-01-01"); 
System.out.println(ofJulian(1899, Month.DECEMBER, 21) + " must be 1900-01-02"); 
} 

public static LocalDate ofJulian(int year, Month month, int dayOfMonth) { 
GregorianCalendar julianCalendar = new GregorianCalendar(); 
julianCalendar.setGregorianChange(new Date(Long.MAX_VALUE)); 
julianCalendar.clear(); 
julianCalendar.set(Calendar.ERA, GregorianCalendar.AD); 
julianCalendar.set(year, month.getValue() - 1, dayOfMonth); 
return julianCalendar.toZonedDateTime().toLocalDate(); 
} 

}