Display Publish Dates as ”Time Ago”

To display the time ago stamp on the site add the code to the functions.php file.

add_filter('the_time', 'dynamictime');
function dynamictime() {
  global $post;
  $date = $post->post_date;
  $time = get_post_time('G', true, $post);
  $mytime = time() - $time;
  if($mytime > 0 && $mytime < 365*24*60*60)
    $mytimestamp = sprintf(__('%s ago'), human_time_diff($time));
  else
    $mytimestamp = date(get_option('date_format'), strtotime($date));
  return $mytimestamp;
}

Add the code to the required template file inside while loop

<?php the_time(); ?>