diff --git a/django/core/serializers/pyyaml.py b/django/core/serializers/pyyaml.py
index 668bcb288a..772f34a2e3 100644
--- a/django/core/serializers/pyyaml.py
+++ b/django/core/serializers/pyyaml.py
@@ -5,6 +5,7 @@ Requires PyYaml (http://pyyaml.org/), but that's checked for in __init__.
 """
 
 import datetime
+from django.db import models
 from django.core.serializers.python import Serializer as PythonSerializer
 from django.core.serializers.python import Deserializer as PythonDeserializer
 try:
@@ -17,6 +18,19 @@ class Serializer(PythonSerializer):
     """
     Convert a queryset to YAML.
     """
+    
+    def handle_field(self, obj, field):
+        # A nasty special case: base YAML doesn't support serialization of time
+        # types (as opposed to dates or datetimes, which it does support). Since
+        # we want to use the "safe" serializer for better interoperability, we
+        # need to do something with those pesky times. Converting 'em to strings
+        # isn't perfect, but it's better than a "!!python/time" type which would
+        # halt deserialization under any other language.
+        if isinstance(field, models.TimeField) and getattr(obj, field.name) is not None:
+            self._current[field.name] = str(getattr(obj, field.name))
+        else:
+            super(Serializer, self).handle_field(obj, field)
+    
     def end_serialization(self):
         self.options.pop('stream', None)
         self.options.pop('fields', None)