Show the_date with link

Try this:

<?php 
$archive_year  = get_the_time('Y'); 
$archive_month = get_the_time('m'); 
$archive_day   = get_the_time('d'); 
?>
<a href="https://wordpress.stackexchange.com/questions/201844/<?php echo get_day_link( $archive_year, $archive_month, $archive_day); ?>"><?php the_date('Y/m/d'); ?></a>

HTML result:

<a href="http://example.com/2015/09/07">2015/09/07</a>