I admit that I’ve been carrying this question with me for a long time, because summer time has been active for a few days… but it’s the very simple questions that ask the biggest puzzles of the universe: On the one hand, there is a HU-850 sound system with RDS in the car. As is well known, the time is included with RDS-EON… on the other hand, there is the RTI with an atomicly accurate satellite… here again, time information is included in the signals. With a little bit of input from a time zone table and further information, when now someone would change to summer time… So, in theory, it’s a trivial problem; in this case, the word problem seems pointlessly exaggerated – it’s more a challenge or at least a task; to get the time to get information into the car… So why do I have to repeat the built-in clock twice every year with a pen around one or 23 hours?