private static function calInfoCalendar($month_names, $month_names_short, $max_days_in_month, $calendar_name, $calendar_symbol)
    {
        return array(
            'months'         => array_slice($month_names, 1, null, true),
            'abbrevmonths'   => array_slice($month_names_short, 1, null, true),
            'maxdaysinmonth' => $max_days_in_month,
            'calname'        => $calendar_name,
            'calsymbol'      => $calendar_symbol,
        );
    }