relative time example

gistfile1.html

<div class="post">
  <time class="timeago" datetime="2012-07-18T07:51:50Z">
    about 8 hours ago
  </time>
</div>

<div class="comment">
  <time class="timeago" datetime="2012-07-18T15:50:50Z">
    about 1 minute ago
  </time>

  <time class="timeago" datetime="2012-07-18T15:49:50Z">
    about 2 minutes ago
  </time>
  <!--
    The <time> tag was introduced in HTML 5.
    Smart Time Ago will use <time> tag by default. 
  -->
</div>

<script>
  $(".post").timeago();
  $(".comment").timeago();
</script>