change date format to get thousands

padelclub_backend/settings_app.py

@@ -2,7 +2,7 @@
 
 # Rest Framework configuration
 REST_FRAMEWORK = {
-    'DATETIME_FORMAT': "%Y-%m-%dT%H:%M:%S%z",
+    'DATETIME_FORMAT': "%Y-%m-%dT%H:%M:%S.%f%z",
     # Use Django's standard `django.contrib.auth` permissions,
     # or allow read-only access for unauthenticated users.
     'DEFAULT_PERMISSION_CLASSES': [