Get date of last update outside of loop

I’m trying to figure out how to display the date that a post was last updated outside of the loop. I’m able to display the published date using get_the_time() but there doesn’t seem to be a “loopless” function to get the date of the last update.

Does anyone know hot to do this?

It is unclear if you are looking for the last updated post or for the last updated date for some particular post. The answer by @PatJ assumes the former. To do the latter:

$qry = new WP_Query(array('p'=>1));
var_dump($qry->posts[0]->post_modified);

Or…

$date = $wpdb->get_var("SELECT post_modified FROM {$wpdb->posts} WHERE ID = 1");
var_dump($date);

Of course you need to change the post ID to match the post you are looking for.