diff -r 6641e941ef1e -r ff1a9aa48cfd app/django/views/generic/date_based.py
--- a/app/django/views/generic/date_based.py	Tue Oct 14 12:36:55 2008 +0000
+++ b/app/django/views/generic/date_based.py	Tue Oct 14 16:00:59 2008 +0000
@@ -129,7 +129,10 @@
         last_day = first_day.replace(year=first_day.year + 1, month=1)
     else:
         last_day = first_day.replace(month=first_day.month + 1)
-    lookup_kwargs = {'%s__range' % date_field: (first_day, last_day)}
+    lookup_kwargs = {
+        '%s__gte' % date_field: first_day,
+        '%s__lt' % date_field: last_day,
+    }
 
     # Only bother to check current date if the month isn't in the past and future objects are requested.
     if last_day >= now.date() and not allow_future:
@@ -188,7 +191,10 @@
     # Calculate first and last day of week, for use in a date-range lookup.
     first_day = date
     last_day = date + datetime.timedelta(days=7)
-    lookup_kwargs = {'%s__range' % date_field: (first_day, last_day)}
+    lookup_kwargs = {
+        '%s__gte' % date_field: first_day,
+        '%s__lt' % date_field: last_day,
+    }
 
     # Only bother to check current date if the week isn't in the past and future objects aren't requested.
     if last_day >= now.date() and not allow_future: