Java tutorial
import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static void main(String[] args) throws Exception { SimpleDateFormat sdf = new SimpleDateFormat("dd MM yyyy"); Date dt1 = sdf.parse("22 02 2000"); Date dt2 = sdf.parse("22 02 2010"); long diff = dt2.getTime() - dt1.getTime(); System.out.println("Days: " + diff / 1000L / 60L / 60L / 24L); } }