Horde_Icalendar::_exportUtcOffset PHP Метод

    function _exportUtcOffset($value)
    {
        $offset = ($value['ahead'] ? '+' : '-') . sprintf('%02d%02d', $value['hour'], $value['minute']);
        if (isset($value['second'])) {
            $offset .= sprintf('%02d', $value['second']);
        }
        return $offset;
    }