function update_date_job() {

    if( ! isset( $_POST ) || empty( $_POST ) || !current_user_can('administrator') ) {

        // If we don't - return custom error message and exit
        header( 'HTTP/1.1 400 Empty POST Values' );
        echo 'Could Not Verify POST Values.';
        exit;
    }

     $post_id = sanitize_text_field($_POST['post_id']);
     $date = sanitize_text_field($_POST['new_date']);
     $gmtdate = sanitize_text_field($_POST['gmt_date']);
    $my_args = array(
               'ID' => $post_id,
               'post_date' => $date,
               'post_date_gmt' => $gmtdate
            );

        $lan = ICL_LANGUAGE_CODE=='pl'? 'en':'pl';
$id = icl_object_id($post_id, 'job_listing', false,$lan);

if(current_user_can('administrator')){
   wp_update_post( $my_args );
 wp_publish_post( $post_id );
 $GLOBALS['wp_fastest_cache']->singleDeleteCache(false, $post_id);
   if(!empty($id)){
 $GLOBALS['wp_fastest_cache']->singleDeleteCache(false, $id);
   //      wp_update_post(array(
     //          'ID' => $id,
       //        'post_date' => $date,
         //      'post_date_gmt' => $gmtdate
           // ));
    }
}
    wp_die();
}

add_action( 'wp_ajax_update_date_job', 'update_date_job' );

$my_args = array(
               'ID' => $post_id,
               'post_date' => $date,
               'post_date_gmt' => $gmtdate,
               'post_status' => 'publish'
            );