CPT Query with name of week day

// WP_Query arguments
$args = array(
	'post_type'              => array( 'wp-manga' ),
	'post_status'            => array( 'Publish' ),
	'posts_per_page'         => '16',
	'order'                  => 'DESC',
	'orderby'                => 'date',
	'date_query'             => array(
		array(
			'dayofweek'     => 1,
		),
	),
);

// The Query
$query = new WP_Query( $args );