How can you trust the clock?
The train is using a week counter internally that overflowed. 17.11.2003 is exactly 1024 (2^(10)) weeks ago.
But this would mean the epoch here would be the 2 April 1984 or maybe the 1st, if you respect the time as well, which sounds a tiny bit random lol. But so would be to use a week counter in the first place :D Especially since those trains are from the early 2000s.
EDIT: Other times in 2003 are also possible apparently https://twitter.com/TAltgeld/status/1646386165006716928?ref_src=twsrc^tfw|twcamp^tweetembed|twterm^1646386165006716928|twgr^99a8805bbdf28d116a3a7037dc24347da978e819|twcon^s1_c10&ref_url=https%3A%2F%2Fwww.kreiszeitung.de%2Flokales%2Fbremen%2Fsorgt-fuer-spott-im-netz-geniale-loesung-der-db-der-zug-aus-der-vergangenheit-92212981.html
How did you get to that epoch? I haven’t seen any images of this happening earlier than 2003, so the overflow must have happened late last year or early this year, and whatever week 0 is is some time around 2002/2003. That would also fit with your comment that they were introduced in the early 2000s.
Maybe they just didn’t expect the trains to last 20 years 😄
undefined> 20 y
Well, I did shown_date-1024 weeks=epoch. Your explanation sounds correct, though.
The only thing is, I’ve seen 2003 date before 2023 in random trains. Could also be a weird glitch when time sync fails or something.
It could be that the epoch is the start of 2003, so any train with a reset week counter shows 2003, and now they all do since the counter has overflowed late last year.
The fact that they use a week counter in general is something I remember from someone familiar with the onboard computer system, but I don’t remember how it’s set up specifically unfortunately.
Deutsche Bahn making up 20 years of delays in one go. Now that’s efficiency
Ah, Deutsche Bahn. Gotta love it.
Hooray, it’s all been a bad drug induced dream! 18 year old me awakens in regional train.
I love German regional trains. This is a very common issue. Happens all the time.
wtf that’s literally my birthday
That’s a really old picture you got there ;)
