Display the published date 2days prior when publishing the post on the front end to show the 2days prior date

functions.php

<!-- We will not do anything to change the detfault publishe date -->
<!-- We will use the publishe date to create a date 2days prior of the publishe date using a custom date time field. -->
<!-- Create a date-time custom field using ACF plugin for your CPT or any kind of post type -->
<!-- Use this function in your theme's functions.php and use the custom field's meta name to fire the update query -->
<!-- Also you can change the prior day or post day by just changing "-1 day or +1 day" inside this function -->
<?php
  add_action( 'acf/save_post', 'my_acf_save_post' ); 

  function my_acf_save_post( $post_id ) {
      //$date = get_the_date( 'Y-m-d H:i:s', $post_id );
      $date = date('j-F-Y', strtotime('-2 day', get_the_date('U', $post_id)));
      update_field( 'post_meta_name', $date, $post_id ); 
  }
?>

<!-- Change the return format of the date and time field to get the desired result for the front end from the date time custom field -->