Snippet to dynamically add the year or a custom dynamic date to your page.html.twig file. In your mytheme.theme file, first add:
/** * Implements hook_preprocess_page(). */ function mytheme_preprocess_page(&$variables) { $variables['year'] = date('Y', time()); }
Now, in your page.html.twig you can use:
{{ year }} // Prints '2020'