title: How to get year, month and day from different timezone?
body: <p>I am now in Hong Kong. How can I get the year, month and day from USA??<br>
  I have tried:  </p>
  
  <pre><code>Calendar calendar = Calendar.getInstance();
  SimpleDateFormat sdf = new SimpleDateFormat("dd-MMM-yyyy hh:mm:ss z");
  sdf.setTimeZone(TimeZone.getTimeZone("America/Los_Angeles"));
  sdf.format(calendar.getTime());
  </code></pre>
  
  <p>But I don't know how to get the year, month.
  Please help</p>