Daytime utils.

shared/utils/daytime.py

@@ -0,0 +1,12 @@
+from django.utils import timezone
+
+
+def midnight(dt=None):
+    """
+    Returns upcoming midnight.
+    """
+    if not dt:
+        dt = timezone.now()
+
+    return dt.replace(hour=0, minute=0, second=0, microsecond=0) + \
+        timezone.timedelta(days=1)