Between operator not working in my code. Please help me
    date_default_timezone_set('Asia/Kolkata');
    $today = date("m/d/y");
    $newdate = strtotime ( '-7 day' , strtotime ( $today ) ) ;
    $newdate = date ( 'm/d/y' , $newdate );  
    $query = mysqli_query($con, "SELECT * FROM service_calls WHERE open_date BETWEEN '$today' AND '$newdate'" );
It is giving me blank window after running this code.
I have open_date with format same as mentioned above.
 
     
     
    