Came here looking for this. In Rock log files, it says my local time is the same as UTC (which is not). So Roon software is aware that my local time could be / should be different than UTC but no way of setting it.
11/24 16:13:25 Info: Starting RoonServer v2.0 (build 1354) earlyaccess on linuxx64
11/24 16:13:25 Info: Local time is 11/24/2023 16:13:25, UTC time is 11/24/2023 16:13:25