title: Getting Day from a Date Object
body: <p>I wanna see if someDate has any day in it. Am I checking it right?</p>
  
  <pre><code>Calendar cal = Calendar.getInstance();
  cal.setTime(someDate); // someDate is a Date
  int day = cal.get(Calendar.DAY_OF_MONTH);
  if(day == 0){
    // code //
  } 
  </code></pre>