title: MySQL: Select min date with max hour
body: <p>anybody know how to select in mysql min date, but with max hour of day , for example:
  I have a set of dates:</p>
  
  <pre><code>[2015-01-02 00:00:00, 2015-01-03 09:00:00, 2015-01-02 19:00:00, 2015-02-01 14:00:00] 
  </code></pre>
  
  <p>and i need to get <code>2015-01-02 19:00:00</code></p>