periodic_billing crontab(day_of_month='1', hour='1', minute='1')

lms/celery.py

@@ -21,7 +21,8 @@ register_signal(client)
 
 app.conf.beat_schedule = {
     'periodic_billing': {
-        'schedule': crontab(minute='*/1'),
+        'schedule': crontab(day_of_month='1', hour='1', minute='1'),  # заглушка на время отладки
+        # 'schedule': crontab(minute='*/1'),
         # crontab(minute='0',hour='*/3',),
         'task': 'finance.tasks.periodic_billing'
     }