Simple navigation for pagination using previous_posts_link and next_posts_link for custom WP_Query

custom-query-nav.php

<?php

  echo '<div class="loop-nav">';
	  previous_posts_link( '<div class="previous">' . __( 'Newer Entries', 'your-textdomain' ) . '</div>', $my_custom_query->max_num_pages ); 
	  next_posts_link( '<div class="next">' . __( 'Older Entries', 'your-textdomain' ) . '</div>', $my_custom_query->max_num_pages ); 
  echo '</div><!-- .loop-nav -->';