Index: Modules/datetimemodule.c
===================================================================
--- Modules/datetimemodule.c	(revision 67223)
+++ Modules/datetimemodule.c	(working copy)
@@ -1664,6 +1664,54 @@
 }
 
 static PyObject *
+divide_timedelta_timedelta(PyDateTime_Delta *left, PyDateTime_Delta *right)
+{
+	PyObject *pyus_left;
+	PyObject *pyus_right;
+	PyObject *result;
+
+	pyus_left = delta_to_microseconds(left);
+	if (pyus_left == NULL)
+		return NULL;
+
+	pyus_right = delta_to_microseconds(right);
+	if (pyus_right == NULL)
+	{
+		Py_DECREF(pyus_left);
+		return NULL;
+	}
+
+	result = PyNumber_Divide(pyus_left, pyus_right);
+	Py_DECREF(pyus_left);
+	Py_DECREF(pyus_right);
+	return result;
+}
+
+static PyObject *
+truedivide_timedelta_timedelta(PyDateTime_Delta *left, PyDateTime_Delta *right)
+{
+	PyObject *pyus_left;
+	PyObject *pyus_right;
+	PyObject *result;
+
+	pyus_left = delta_to_microseconds(left);
+	if (pyus_left == NULL)
+		return NULL;
+
+	pyus_right = delta_to_microseconds(right);
+	if (pyus_right == NULL)
+	{
+		Py_DECREF(pyus_left);
+		return NULL;
+	}
+
+	result = PyNumber_TrueDivide(pyus_left, pyus_right);
+	Py_DECREF(pyus_left);
+	Py_DECREF(pyus_right);
+	return result;
+}
+
+static PyObject *
 delta_add(PyObject *left, PyObject *right)
 {
 	PyObject *result = Py_NotImplemented;
@@ -1816,6 +1864,10 @@
 			result = divide_timedelta_int(
 					(PyDateTime_Delta *)left,
 					right);
+		if (PyDelta_Check(right))
+			result = divide_timedelta_timedelta(
+					(PyDateTime_Delta *)left,
+					(PyDateTime_Delta *)right);
 	}
 
 	if (result == Py_NotImplemented)
@@ -1823,6 +1875,23 @@
 	return result;
 }
 
+static PyObject *
+delta_truedivide(PyObject *left, PyObject *right)
+{
+	PyObject *result = Py_NotImplemented;
+
+	if (PyDelta_Check(left)) {
+		if (PyDelta_Check(right))
+			result = truedivide_timedelta_timedelta(
+					(PyDateTime_Delta *)left,
+					(PyDateTime_Delta *)right);
+	}
+
+	if (result == Py_NotImplemented)
+		Py_INCREF(result);
+	return result;
+}
+
 /* Fold in the value of the tag ("seconds", "weeks", etc) component of a
  * timedelta constructor.  sofar is the # of microseconds accounted for
  * so far, and there are factor microseconds per current unit, the number
@@ -2155,7 +2224,7 @@
 	0,					/*nb_inplace_xor*/
 	0,					/*nb_inplace_or*/
 	delta_divide,				/* nb_floor_divide */
-	0,					/* nb_true_divide */
+	delta_truedivide,			/* nb_true_divide */
 	0,					/* nb_inplace_floor_divide */
 	0,					/* nb_inplace_true_divide */
 };
Index: Lib/test/test_datetime.py
===================================================================
--- Lib/test/test_datetime.py	(revision 67223)
+++ Lib/test/test_datetime.py	(working copy)
@@ -234,6 +234,19 @@
         eq(a//10, td(0, 7*24*360))
         eq(a//3600000, td(0, 0, 7*24*1000))
 
+        # test timdelta // timedelta division
+        eq(a//a, 1)
+        eq(b//td(0, 6), 10)
+        eq(c//td(0, 0, 1), 1000)
+        eq(a//td(0, 7*24*360), 10)
+        eq(a//td(0, 0, 7*24*1000), 3600000)
+
+        # test timdelta / timedelta true division
+        truediv = td.__truediv__
+        eq(truediv(a, td(2)), 3.5)
+        # XXX Is this desired behavior?
+        eq(int(truediv(td.min, td.min//3)), 2)
+        
     def test_disallowed_computations(self):
         a = timedelta(42)