diff --git a/Setup.md b/Setup.md
index 051b9c0..256aec3 100644
--- a/Setup.md
+++ b/Setup.md
@@ -4,7 +4,9 @@ hrfee@lab:~$ jf-accounts
 Config dir not found, so created at /home/hrfee/.jf-accounts
 Edit the configuration and restart.
 ```
-Now, open the config at the path specified and get to configuring.
+Before you start configuring, you should make sure that timezones are correct everywhere. If you're running bare metal, this shouldn't be an issue, but docker containers are another story. For linuxserver.io Jellyfin containers, you should be able to use `-e TZ=Europe/London` but if not, `-v /etc/localtime:/etc/localtime:ro` works almost every where. Once you've added this run `docker exec -it <your container> bash` to enter its shell, then `date`. From there you can see if the time is correct.
+
+After that, open the config at the path specified and get to configuring.
 * **jellyfin**
   * Best practice is to create a separate admin account (I named mine 'accounts') without normal privileges (accessing media, etc.). Its credentials can then be entered.
   * The server address specified here will be reused in the invite form, so make sure its the publicly accessible address, rather than the local network one.