diff --git a/birthdays.info b/birthdays.info
index 7578015..c636b9e 100644
--- a/birthdays.info
+++ b/birthdays.info
@@ -3,6 +3,7 @@ description = Provides a birthday field type. Displays and reminds of upcoming b
 dependencies[] = field
 files[] = birthdays.test
 files[] = birthdays_birthday.inc
+files[] = birthdays.microdata.inc
 files[] = views/birthdays_field_views_handler_field.inc
 files[] = views/birthdays_field_views_handler_sort.inc
 files[] = views/birthdays_field_views_handler_filter.inc
diff --git a/birthdays.microdata.inc b/birthdays.microdata.inc
new file mode 100644
index 0000000..bbea4e4
--- /dev/null
+++ b/birthdays.microdata.inc
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * @file
+ * Extended microdata integration for Birthdays module.
+ */
+
+/**
+ * Implements hook_microdata_suggestions().
+ */
+function birthdays_microdata_suggestions() {
+  $suggestions = array();
+
+  $suggestions['fields']['birthdays_date']['schema.org'] = array(
+    '#itemprop' => array('person'),
+    '#is_item' => TRUE,
+    '#itemtype' => array('http://schema.org/Person'),
+    'birthday' => array(
+      '#itemprop' => array('birthDate'),
+    ),
+  );
+
+  return $suggestions;
+}
diff --git a/birthdays.module b/birthdays.module
index d81e1ea..6e85d5e 100644
--- a/birthdays.module
+++ b/birthdays.module
@@ -298,7 +298,7 @@ function theme_birthdays_date($variables) {
     unset($element['triggers']);
   }
 
-  return '<div' . drupal_attributes($attributes) . '>' . drupal_render_children($element) . '</div>' . drupal_render($triggers);
+ return '<div' . drupal_attributes($attributes) . '>' . drupal_render_children($element) . '</div>' . drupal_render($triggers);
 }
 
 /**
@@ -320,6 +320,9 @@ function birthdays_field_info() {
           'description' => '',
         ),
       ),
+      // Integrate with the Entity Metadata module.
+      'property_type' => 'date',
+      'property_callbacks' => array('birthdays_entity_metadata_property_info_alter'),
     ),
   );
 }
@@ -455,6 +458,7 @@ function birthdays_field_formatter_settings_summary($field, $instance, $view_mod
  */
 function birthdays_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
   $element = array();
+  $microdata = array();
 
   foreach ($items as $delta => $item) {
     $birthday = BirthdaysBirthday::fromArray($item);
@@ -465,36 +469,71 @@ function birthdays_field_formatter_view($entity_type, $entity, $field, $instance
 
     switch ($display['type']) {
       case 'birthdays_plaintext':
-        $element[$delta] = array('#markup' => check_plain($birthday->toString($display['settings']['dateformat'], $display['settings']['dateformat_noyear'])));
+        $element[$delta] = array(
+          'children' => array(
+            'visible_output' => array(
+              '#markup' => check_plain($birthday->toString($display['settings']['dateformat'], $display['settings']['dateformat_noyear']))
+            ),
+          ),
+        );
         break;
 
       case 'birthdays_starsign':
         if (!$birthday->isEmpty()) {
           $element[$delta] = array(
-            '#theme' => 'image',
-            '#path' => url(drupal_get_path('module', 'birthdays') . '/starsigns/' . $birthday->getStarsign() . '.gif'),
-            '#height' => '35',
-            '#width' => '35',
-            '#alt' => t(ucfirst($birthday->getStarsign())),
-            '#title' => t(ucfirst($birthday->getStarsign())),
+            'children' => array(
+              'visible_output' => array(
+                '#theme' => 'image',
+                '#path' => url(drupal_get_path('module', 'birthdays') . '/starsigns/' . $birthday->getStarsign() . '.gif'),
+                '#height' => '35',
+                '#width' => '35',
+                '#alt' => t(ucfirst($birthday->getStarsign())),
+                '#title' => t(ucfirst($birthday->getStarsign())),
+              ),
+            ),
           );
         }
         break;
 
       case 'birthdays_age':
         if ($birthday->getYear()) {
-          $element[$delta] = array('#markup' => check_plain($birthday->getCurrentAge()));
+          $element[$delta] = array(
+            'children' => array(
+              'visible_output' => array(
+                '#markup' => check_plain($birthday->getCurrentAge())
+              ),
+            ),
+          );
         }
         break;
 
       case 'birthdays_age_upcoming':
         if ($birthday->getYear()) {
-          $element[$delta] = array('#markup' => check_plain($birthday->getCurrentAge() + 1));
+          $element[$delta] = array(
+            'children' => array(
+              'visible_output' => array(
+                '#markup' => check_plain($birthday->getCurrentAge() + 1)
+              ),
+            ),
+          );
         }
         break;
     }
   }
 
+  // If the microdata module is enabled, the microdata mapping will have been
+  // passed in via the entity.
+  if (module_exists('microdata')) {
+    $microdata = $entity->microdata[$field['field_name']];
+    
+    $timezone = new DateTimeZone('Etc/Zulu');
+    $date_object = new DateTime("{$birthday->getYear()}/{$birthday->getMonth()}/{$birthday->getDay()}", $timezone);
+    $microdata['birthday']['#attributes']['content'] = $date_object->format("Y-m-d\TH:i:s");
+    $element[$delta]['children']['microdata_output'] = array(
+      '#markup' => '<meta ' . drupal_attributes($microdata['birthday']['#attributes']) . '/>',
+    );
+  }
+
   return $element;
 }
 
@@ -1125,3 +1164,67 @@ function birthdays_mail($key, &$message, $params) {
       break;
   }
 }
+
+/**
+ * Additional callback to adapt the property info of birthdays fields.
+
+ * @see entity_metadata_field_entity_property_info().
+ */
+
+function birthdays_entity_metadata_property_info_alter(&$info, $entity_type, $field, $instance, $field_type) {
+  $name = $field['field_name'];
+  $property = &$info[$entity_type]['bundles'][$instance['bundle']]['properties'][$name];
+
+
+  $property['property info'] = array(
+    'birthday' => array(
+      'type' => 'date',
+      'label' => t('Birthday'),
+      'getter callback' => 'birthdays_entity_metadata_struct_getter',
+      'setter callback' => 'birthdays_entity_metadata_struct_setter',
+      // The getter and setter callbacks for 'birthdays' will not provide the
+      // field name as $name, we'll add it to $info.
+      'field_name' => $field['field_name'],
+      // Alert Microdata module that this value can be exposed in microdata.
+      'microdata' => TRUE,
+   ),
+  );
+}
+
+/**
+ * Getter callback to return date values as datestamp in UTC.
+ */
+function birthdays_entity_metadata_struct_getter($item, array $options, $name, $type, $info) {
+  $value = trim($item[$name]);
+  if (empty($value)) {
+    return NULL;
+  }
+
+  if (birthdays_field_is_empty($item, field_info_field($info['field_name']))) {
+
+    $timezone = new DateTimeZone('Etc/Zulu');
+    $birthday = new DateTime($value, $timezone);
+    
+    return !empty($birthday) ? $birthday->format("Y-m-d\TH:i:s") : NULL;
+  }
+  return NULL;
+}
+
+/**
+ * Callback for setting an individual date value.
+ * Based on entity_property_verbatim_set().
+ *
+ * The passed in unix timestamp (UTC) is converted to the right value and
+ * format dependent on the field.
+ */
+function birthdays_entity_metadata_struct_setter(&$item, $name, $value, $langcode, $type, $info) {
+  if (!isset($value)) {
+    $item[$name] = NULL;
+  }
+  else {
+    $timezone = new DateTimeZone('Etc/Zulu');
+    $birthday = new DateTime($value, $timezone);
+
+    $item[$name] = $birthday->format("Y-m-d\TH:i:s");
+  }
+}