title: How to convert Y-m-d date to UTC datetime?
body: <p>I want to select rows which date is bigger than 2018-05-12. But when i convert it using Carbon <code>toDateTimeString()</code> function it adds current time. How to convert to UTC datetime like <code>moment.toISOString()</code> function? </p>
  
  <pre><code>Carbon::createFromFormat('Y-m-d', "2018-05-12")-&gt;toDateTimeString();
  </code></pre>
  
  <p>results </p>
  
  <blockquote>
    <p>2018-05-12 20:26:56</p>
  </blockquote>
  
  <pre><code>moment("2018-05-12").toISOString() 
  </code></pre>
  
  <p>results </p>
  
  <blockquote>
    <p>2018-05-11T21:00:00.000Z</p>
  </blockquote>