Better date limits

index.php

@@ -112,12 +112,11 @@ Zur groben Einordnung: Eine Fahrt dauert rund 9 Stunden und kostet pro Person mi
 <div id=months>
 <?php
 
-$start = (new DateTimeImmutable())->setTimestamp(mktime(0, 0, 0, $START_DATE[1], $START_DATE[2], $START_DATE[0]));
-print_month($start);
-$month_end = (new DateTimeImmutable())->setTimestamp(strtotime("first day of next month", $start->getTimestamp()));
-print_month($month_end);
-$month_end = (new DateTimeImmutable())->setTimestamp(strtotime("first day of next month", $month_end->getTimestamp()));
-print_month($month_end);
+$date = new DateTimeImmutable();
+while ($date->diff((new DateTimeImmutable())->setTimestamp(mktime(0, 0, 0, 3, 1, 2023)))->invert == 0) {
+  print_month($date);
+  $date = (new DateTimeImmutable())->setTimestamp(strtotime("first day of next month", $date->getTimestamp()));
+}
 
 ?>
 </div>