Proxies the official FH Dortmund ICS and swaps Windows time zone identifiers to IANA Europe/Berlin. Use this URL when subscribing via Google Calendar by URL.
Preview URL
Google Calendar usage
Select the course, semester, and group that matches your schedule.
Copy the preview URL above.
In Google Calendar, open Settings → Add calendar → From URL.
Paste the URL, ensure it stays HTTPS, and click Add calendar.
Events appear with the correct Europe/Berlin time zone.