diff --git a/scheduler.install b/scheduler.install
index 4584f80..bc887f7 100644
--- a/scheduler.install
+++ b/scheduler.install
@@ -60,6 +60,7 @@ function scheduler_uninstall() {
     $variables[] = "scheduler_publish_touch_" . $type_name;
     $variables[] = "scheduler_publish_required_" . $type_name;
     $variables[] = "scheduler_publish_revision_" . $type_name;
+    $variables[] = "scheduler_publish_ignore_" . $type_name;
     $variables[] = "scheduler_unpublish_enable_" . $type_name;
     $variables[] = "scheduler_unpublish_required_" . $type_name;
     $variables[] = "scheduler_unpublish_revision_" . $type_name;
diff --git a/scheduler.module b/scheduler.module
index 48b22d1..79ce723 100644
--- a/scheduler.module
+++ b/scheduler.module
@@ -233,6 +233,11 @@ function scheduler_form_node_type_form_alter(&$form, $form_state) {
       '#title' => t('Create a new revision on publishing'),
       '#default_value' => variable_get('scheduler_publish_revision_' . $form['#node_type']->type, 0),
   );
+  $form['scheduler']['publish']['scheduler_publish_ignore'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Ignore publish time that is not in the future (Advanced)'),
+      '#default_value' => variable_get('scheduler_publish_ignore_' . $form['#node_type']->type, 0),
+  );
   $form['scheduler']['unpublish'] = array(
       '#type' => 'fieldset',
       '#title' => 'Unpublishing',
@@ -613,7 +618,9 @@ function scheduler_node_validate($node, $form) {
       form_set_error('publish_on', t("The 'publish on' value does not match the expected format of %time", array('%time' => format_date(REQUEST_TIME, 'custom', $date_format))));
     }
     elseif ($publishtime && $publishtime < REQUEST_TIME) {
-      form_set_error('publish_on', t("The 'publish on' date must be in the future"));
+      if (variable_get('scheduler_publish_ignore_'. $node->type, 0) == 0) {
+        form_set_error('publish_on', t("The 'publish on' date must be in the future"));
+      }
     }
   }
 
@@ -639,6 +646,12 @@ function scheduler_node_presave($node) {
     }
     elseif (!is_numeric($node->$key)) {
       $node->$key= _scheduler_strtotime($node->$key);
+
+      if (variable_get('scheduler_publish_ignore_'. $node->type, 0) == 1) {
+        if ($node->$key && $node->$key < REQUEST_TIME) {
+          $node->$key = 0;
+        }
+      }
     }
   }
   // Right before we save the node, we need to check if a "publish on" value has been set.