code: public static Calendar toCalendar(final LocalTime self) {
          Calendar cal = Calendar.getInstance();
          cal.set(Calendar.HOUR_OF_DAY, self.getHour());
          cal.set(Calendar.MINUTE, self.getMinute());
          cal.set(Calendar.SECOND, self.getSecond());
          cal.set(Calendar.MILLISECOND, millisFromNanos(self.getNano()));
          return cal;
      }
docs: Returns a generally equivalent instance of {@link java.util.Calendar}. The day-month-year value of the
  returned calendar is today, the time is truncated to milliseconds, and the time zone is the current
  system default.
  
  @param self a LocalTime
  @return a java.util.Calendar
  @since 2.5.0