feat: add TZ env var

.env.example

@@ -1,6 +1,8 @@
 SERVER_NAME=wygiwyh_server
 DB_NAME=wygiwyh_pg
 
+TZ=UTC # Change to your timezone. This only affects some async tasks.
+
 DEBUG=false
 URL = https://...
 HTTPS_ENABLED=true

app/WYGIWYH/settings.py

@@ -166,7 +166,7 @@ LANGUAGES = (
     ("pt-br", "Português (Brasil)"),
 )
 
-TIME_ZONE = "UTC"
+TIME_ZONE = os.getenv("TZ", "UTC")
 
 USE_I18N = True