Prado\I18N\core\DateFormat::getAMPM PHP Method

    protected function getAMPM($date, $pattern = 'a')
    {
        if ($pattern != 'a') {
            throw new Exception('The pattern for AM/PM marker is "a".');
        }
        $hour = $date['hours'];
        $ampm = (int) ($hour / 12);
        return $this->formatInfo->AMPMMarkers[$ampm];
    }