functions.php
function show_contact() {
ob_start();
get_template_part('myfile/time');
return ob_get_clean();
}
add_shortcode('time', 'show_contact');

function content_shortcode() {
 return '<a class="font-weight-bold lead" href="https://tate.gif.jp/abc/">&numsp;Minakami Site</a>';
}
add_shortcode('my_link', 'content_shortcode');


footer.php
<?php echo do_shortcode('[time] [my_link]'); ?>