fixing time zone for this application to be UTC. See https://bugs.ligo.org/redmine/issues/6120

config/settings/base.py

@@ -326,7 +326,7 @@ SOUTH_TESTS_MIGRATE = False
 # although not all choices may be available on all operating systems.
 # If running in a Windows environment, this must be set to the same as your
 # system time zone.
-TIME_ZONE = 'America/Chicago'
+TIME_ZONE = 'UTC'
 GRACE_DATETIME_FORMAT = 'Y-m-d H:i:s T'
 
 # Language code for this installation. All choices can be found here: