diff --git a/src/view/form/control/AphrontFormDateControlValue.php b/src/view/form/control/AphrontFormDateControlValue.php
--- a/src/view/form/control/AphrontFormDateControlValue.php
+++ b/src/view/form/control/AphrontFormDateControlValue.php
@@ -279,7 +279,7 @@
   }
 
   public function getDateTime() {
-    return $this->newDateTime();
+    return $this->newDateTime($this->valueDate, $this->valueTime);
   }
 
   private function getTimezone() {