Issue #2689045 by aluzzardi, anas_maw, logickal, relaxnow, jigarius:

Custom format for better internationalization.

Closes #2689045

read_time.module

@@ -91,6 +91,7 @@ function read_time_form_node_type_form_alter(&$form, FormStateInterface $form_st
       'hour_long' => t('Hours & minutes, long (1 hour, 5 minutes)'),
       'min_short' => t('Minutes, short (65 mins)'),
       'min_long' => t('Minutes, long (65 minutes)'),
+      'min_only' => t('Minutes only (65)'),
     ],
     '#default_value' => $type->getThirdPartySetting('read_time', 'read_time_format', $defaults['format']),
     '#states' => [
@@ -202,6 +203,9 @@ function read_time_node_view(array &$build, EntityInterface $entity, EntityViewD
       $hour_format = \Drupal::translation()->formatPlural($hours, '1 ' . $hour_suffix, '@count ' . $hour_suffix . 's');
       $read_time = new FormattableMarkup('@h, @m', ['@h' => $hour_format, '@m' => $minute_format]);
     }
+    elseif ($format == 'min_only') {
+      $read_time = $minutes;
+    }
     else {
       $read_time = $minute_format;
     }