Cron\Schedule\CrontabSchedule::checkMonth PHP Method

Check if the month matches.

protected checkMonth ( DateTime $now ) : boolean \| null
$now	DateTime
return	boolean \| null

    protected function checkMonth(\DateTime $now)
    {
        return $this->checkPart('month', 1, 12, ['n', 'm'], $now);
    }

CrontabSchedule