ACF Date Form in Custom Admin Field

Hope this code may be help you

<?php
/*
* Add columns to event post list
*/
function add_acf_columns ( $columns ) {
    return array_merge ( $columns, array ( 
        'event_date' => __ ( 'Event Date' ),
    ));
}
add_filter ( 'manage_events_posts_columns', 'add_acf_columns' );
/*
* Add columns to event event list
*/
function events_custom_column ( $column, $post_id ) {
    switch ( $column ) {
      case 'event_date':
        $event_date = get_post_meta ( $post_id, 'event_date', true );
        echo $fDate = date("d-m-Y", strtotime($event_date));
        break;
    }
}
add_action ( 'manage_events_posts_custom_column',    'events_custom_column', 10, 2 );
?>