Make TIME_ZONE a local settings with a sane default.

Change-Id: Ib441d3ca0e2f0d70eb6fd372e42c363be1090511

openstack_dashboard/local/local_settings.py.example

@@ -71,6 +71,10 @@ OPENSTACK_KEYSTONE_BACKEND = {
 # providing a paging element (a "more" link) to paginate results.
 API_RESULT_LIMIT = 1000
 
+# The timezone of the server. This should correspond with the timezone
+# of your entire OpenStack installation, and hopefully be in UTC.
+TIME_ZONE = "UTC"
+
 LOGGING = {
         'version': 1,
         # When set to True this will disable all logging except

openstack_dashboard/settings.py

@@ -126,7 +126,6 @@ SESSION_COOKIE_HTTPONLY = True
 SESSION_EXPIRE_AT_BROWSER_CLOSE = True
 SESSION_COOKIE_SECURE = False
 
-TIME_ZONE = None
 gettext_noop = lambda s: s
 LANGUAGES = (
     ('en', gettext_noop('English')),