Mail Send auto with auto reply Before date using php mysqli

<!-- Script for mail send next order 1 day before at 10 mrng-->
<?php

date_default_timezone_set('Canada/Eastern');
//$currentDate = '12/19/2019';
$tomorrow = new DateTime('tomorrow');
$currentDate = $tomorrow->format('m/d/Y');
$time_match_nn=date('H A');
 //$time_match_nn='10';
//echo $time_match_nn;

$servername = "localhost";
$username = "xxxxxx";
$password = "xxxxx(*()";
$dbname = "xxxxxxx";
//echo $currentDate;
$conn = new mysqli($servername, $username, $password, $dbname);
    if($conn->connect_error) die($conn->connect_error);

  $remind_query1 = "SELECT * FROM wp_cbg7ccqh4q_package_order WHERE one_delivery_date= '$currentDate' and $time_match_nn='10 AM' and order_status='1' ";
//echo "SELECT * FROM wp_cbg7ccqh4q_package_order WHERE one_delivery_date= '$currentDate' AND $time_match_nn='10'";  
   
if($run1 = $conn->query($remind_query1))
    {
$rows = $run1->num_rows;
     
      for ($j = 0; $j < $rows; ++$j)
      {
      $run1->data_seek($j);
      $row = $run1->fetch_array(MYSQLI_NUM);

      $to = 'xxxx.xxxxxx@gmail.com';
      $too = $row[27];
          $subject = "Next Order Package Reminder";
          $message = "Hi ".$row[1]."\nJust a reminder that your package 1 will on the ".$row[25].",\n"
                  ."Please renew your package\n"."\nThank You"."\nEzboxes";
$messager = "Tomorrow Package deliver\nThank You"."\nEzboxes";
        $headers = "From: info@xxxxxx.ca";
     
  mail($to,$subject,$message,$headers);
  @mail($too,$subject,$messager,$headers);
 
      }

}
?>
<!-- Script for mail send next order 1 day before at 10 mrng-->