diff --git a/src/Forms/DateField.php b/src/Forms/DateField.php
index a20614356..adff7afb1 100644
--- a/src/Forms/DateField.php
+++ b/src/Forms/DateField.php
@@ -293,7 +293,10 @@ class DateField extends TextField
     public function getSchemaDataDefaults()
     {
         $defaults = parent::getSchemaDataDefaults();
-        return array_merge($defaults, [ 'lang' => i18n::convert_rfc1766($this->getLocale()) ]);
+        return array_merge($defaults, [
+            'lang' => i18n::convert_rfc1766($this->getLocale()),
+            'html5' => $this->getHTML5()
+        ]);
     }
 
     public function Type()
diff --git a/src/Forms/DatetimeField.php b/src/Forms/DatetimeField.php
index 7cd183d49..7e91300e8 100644
--- a/src/Forms/DatetimeField.php
+++ b/src/Forms/DatetimeField.php
@@ -103,6 +103,14 @@ class DatetimeField extends TextField
         return $this;
     }
 
+    public function getSchemaDataDefaults()
+    {
+        $defaults = parent::getSchemaDataDefaults();
+        return array_merge($defaults, [
+            'html5' => $this->getHTML5()
+        ]);
+    }
+
     public function Type()
     {
         return 'text datetime';
@@ -256,6 +264,9 @@ class DatetimeField extends TextField
      */
     public function setValue($value, $data = null)
     {
+        // Save raw value for later validation
+        $this->rawValue = $value;
+
         // Empty value
         if (empty($value)) {
             $this->value = null;
diff --git a/src/Forms/TimeField.php b/src/Forms/TimeField.php
index 94d480236..85c377e17 100644
--- a/src/Forms/TimeField.php
+++ b/src/Forms/TimeField.php
@@ -231,6 +231,14 @@ class TimeField extends TextField
         return $attributes;
     }
 
+    public function getSchemaDataDefaults()
+    {
+        $defaults = parent::getSchemaDataDefaults();
+        return array_merge($defaults, [
+            'html5' => $this->getHTML5()
+        ]);
+    }
+
     public function Type()
     {
         return 'time text';