Add more testing

index.php

@@ -8,9 +8,13 @@ $now = new DateTime();
 $zero = new DateTime('1442-01-01'); 
 $diff = $now->diff($zero);
 echo $diff->format('%a days'); // days since day zero
+echo "<br/>"; //separator
 
 $year = date("Y") - 579;
-echo "Year " . $year;
+$month = date("M") - 6;
+$day = date("d") - 12;
+// test sample date
+echo "Year " . $year . "Month " . $month . "Day " . $day . "<br/>";
 
 ?>
 Placeholder.