Wordpress Admin: sort custom post type column by ACF date time field

aa_sortbydatetime

add_action( 'pre_get_posts', 'aa_sortbydatetime');

function aa_sortbydatetime( $query ) {
    global $pagenow;
	
	if ( !is_admin() || $pagenow !== 'edit.php' ) {
        return;
	}
	
	$post_type = $query->get( 'post_type' );
	$order_by = $query->get( 'orderby' );
	
    if ( $post_type == 'studio-event' ) {

        if ( empty( $order_by ) ) {
        	$order_by = 'mc_start_date';
        }

        switch ( $order_by ) {
            case 'mc_start_date':
                $query->set( 'meta_key', 'mc_start_date' );
                $query->set( 'orderby', 'meta_value' );
                break;
        }
    }
}