I just encountered a problem with UTC offset and DST. After the time change the UTC listed in the Rainbow Astro panel was off by one hour and the local time was off by an hour. My HA was jumping back and forth by one hour quickly, about 1 second intervals. Start time at twilight and meridian flip were wrong. I turned off the mount and Fe synced GPS and it was fine, I did this a couple of times and in one instance the UTC offset was wrong again, seems to be intermittent, nothing obvious in log.

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