title: How to remove mili seconds from '0' date formatting
body: <p>I am trying to convert the DateTime to following Format.</p>
  
  <p>2015-05-30T12:00:00+05:30</p>
  
  <p>When I am trying with 'o' formatter getting the out put in following format,</p>
  
  <pre><code>string plannedStartTime = startTime.ToString("o");
  </code></pre>
  
  <blockquote>
    <p>output:2015-06-12T16:54:47.3206929+05:30</p>
  </blockquote>
  
  <p>I need to remove the mil seconds from that .</p>
  
  <p>Not getting any formatters from <a href="https://msdn.microsoft.com/en-us/library/zdtaw1bw%28v=vs.110%29.aspx" rel="nofollow">MSDN</a></p>
  
  <p>Any other Formatters?</p>