Try this way
<table width="100%" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td width="100%" valign="top">
<?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>
<div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
<h2><a href="https://wordpress.stackexchange.com/questions/188003/<?php the_permalink() ?>"><?php the_title(); ?></a></h2>
<?php the_excerpt(); ?>
<p><?php the_time('F j, Y'); ?> at <?php the_time('g:i a'); ?> | <?php the_category(', '); ?> |
<?php comments_number('No comment', '1 comment', '% comments'); ?></p>
</div>
<?php endwhile; else: ?>
<h2>Oops...</h2>
<p>Sorry, no posts we're found.</p>
<?php endif; ?>
<p align="center"><?php posts_nav_link(); ?></p>
</td>
</tr>
</table>