docs: public Date getDate(int columnIndex, Calendar cal) throws SQLException {
  
          TimestampData t = (TimestampData) getColumnInType(columnIndex,
              Type.SQL_DATE);
          long millis     = t.getSeconds() * 1000;
          int  zoneOffset = HsqlDateTime.getZoneMillis(cal, millis);
  
          return new Date(millis - zoneOffset);
      }