Wochenübersicht erstellen

<?php
        $time = mktime(0, 0, 0, 07, 01, 2007);
        $i = 1;
        while ($i <= 7)
        {?>
            <h3><?php echo date ("d.m.Y",$time); ?>:</h3>
            <?php $tag = date("d", $time);
                     $monat = date("m", $time);
                     $jahr = date("Y", $time);
                     $query = 'day='.$tag.'-&monthnum='.$monat.'&year='.$jahr.'' ?>
   <ul>
       <?php $posts = query_posts($query); ?>
       <?php if (have_posts()) : while (have_posts()) : the_post(); ?>
                <li><a href="<?php the_permalink() ?>" rel="bookmark" title="Link zu <?php the_title(); ?>"><?php the_title(); ?></a></li>
        <?php endwhile; else : ?>
                <h3>Nichts gefunden</h3>
        <?php endif;?>
   </ul>
<?php  $i++; $time = $time - 86400; }?>