code: public static java.util.Date getDayAsDate(int day) {
          Calendar cal = Calendar.getInstance();
          cal.add(Calendar.DATE, day);
          return cal.getTime();
      }
docs: Gets the desired day as a Date
  
  @param day Can be: <li>QuickUtils.date.YESTERDAY</li><li>
  QuickUtils.date.TODAY</li><li>QuickUtils.date.TOMORROW</li>
  @return returns a Date for that day