public static function createDateRande($from, $amount, $dtFormat='Y-m-d')
    {
        $range = [ $from ];
        $curDt = $from;
        
        for($i=1; $i<$amount; $i++) {
            $curDt = \KsUtils\Dt::getNextDay($curDt, $dtFormat);
            $range[] = $curDt;
        }
        
        return $range;
    }