Build a feed URL
Query parameters
courseOffering- One or more RUG course offering numbers, repeated or comma-separated.
url- A full iCal URL on
rug.nl, instead ofcourseOffering. filter- Text an event must contain. Repeat it to keep events matching any of the values.
fieldany(default),description,summaryorlocation.modecontains(default),exactorregex.year- Academic year, default
2026-2027. lang- Feed language,
NL(default) orEN. name- Calendar name shown in your calendar app.
Example
https://rug-icall.stevenbraham.nl/feed?courseOffering=220870&filter=Gr.%204%20NL
Add that URL as a subscribed calendar. It refreshes from the RUG timetable every time your calendar app fetches it.