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Re:'Japan's millennium bug' ahead of Akihito's abdication by SmellyGeekBoy on Wednesday July 25, 2018 @09:51AM (#17609198)
I've just been on a 3 week trip to Japan and didn't see traditional Japanese dates used anywhere except on museum exhibits. Train tickets, bus tickets, hotel check-in / out dates, credit card receipts, tickets for various attractions etc. all displayed the date in ISO-8601 format.

It's interesting to ponder, but the traditional date format seems to have fallen out of use (probably with the advent of the computer era) and I genuinely don't think that this will be a problem.

Re:'Japan's millennium bug' ahead of Akihito's abdication by innocenat on Wednesday July 25, 2018 @10:21AM (#17609431)
Probably not with the tourist , though all my JR ticket I have are listed with traditional date though -- maybe they issued it with A.D because of you are tourist. Other tickets seems to be mixed though.

For example, of documents I have laying around my desk right now:

Alien card: A.D / Student card: A.D. / My number card (like US SSN): Traditional / Insurance card: Traditional / Water bill: Traditional / Electricity bill: Traditional (this one doesn't even tell you that it's traditional, it just say 30-07-xx) / Monthly health insurance bill: Traditional / Gas bill: A.D.

So it is pretty much in heavy use.

Re:'Japan's millennium bug' ahead of Akihito's abdication by jrockway on Wednesday July 25, 2018 @12:33PM (#17610530)
JR definitely produces different tickets depending on whether you used the machine in English or Japanese. (Or depending on what the station attendant thought would be most convenient for you; they can pick the output format and I've gotten both.)
Re:'Japan's millennium bug' ahead of Akihito's abdication by mercurysmessage on Thursday July 26, 2018 @08:49AM (#17616994)
Alien card? Do you mean the zairyu card?
Re:'Japan's millennium bug' ahead of Akihito's abdication by fishtank on Wednesday July 25, 2018 @10:09AM (#17609315)
If you are there to live rather than to tour you will find that the traditional date format is pervasive in daily life. Banking, legal documents, etc.
Re:'Japan's millennium bug' ahead of Akihito's abdication by jcelerier on Wednesday July 25, 2018 @10:28AM (#17609497)
I lived in japan for a few months and all the dates for the immigration, housing, etc... in official papers had to be written in the traditional format.
Re:'Japan's millennium bug' ahead of Akihito's abdication by h1d on Wednesday July 25, 2018 @06:54PM (#17613677)
You'll see more in banks and sometimes registering papers and I admit I hate it because I don't remember it as I use it maybe only once or twice a year and it provides no benefit to anyone.