The schedule generation logic does not include [`scheduleTimezone`](https://developer.openactive.io/data-model/types/schedule#required-properties) (which it definitely should), so this will need to be [added](https://github.com/jakubroztocil/rrule#timezone-support). https://github.com/openactive/conformance-services/blob/0ecda373374111dece2bf705a148e0686a801370/src/lib/pipes/normalise-schedule-pipe.js#L48-L54
The schedule generation logic does not include
scheduleTimezone(which it definitely should), so this will need to be added.https://github.com/openactive/conformance-services/blob/0ecda373374111dece2bf705a148e0686a801370/src/lib/pipes/normalise-schedule-pipe.js#L48-L54