Thank you for your prompt responses! I understood now that the data is as intended, and the comment does help to understand the reason. I was first alerted about this because a reverse lookup of the Asia/Tokyo timezone until now returned only Japan, but started evaluating as Australia.
It definitely is an interesting fact that Asia/Tokyo is traditionally observed in a country other than Japan. Best regards, Patrick On Tue, Jan 21, 2025 at 8:53 AM Paul Eggert wrote: > > > The Asia/Tokyo time zone seems to have been linked with Australia, > probably > > by mistake. > > Please see this related difference from the zone1970.tab file, observed > > when comparing 2024b and 2025a. > > > > 186c186 > > < JP +353916+1394441 Asia/Tokyo > > --- > >> JP,AU +353916+1394441 Asia/Tokyo Eyre Bird Observatory > > > > The Eyre Bird Observatory should probably be linked with an Australian > time > > zone instead of Asia/Tokyo. > > Actually that line should be OK, as the Eyre Bird Observatory region > (unlike the rest of Australia) has observed Tokyo time since 1970. > > The comments at the start of zone1970.tab say this about the "Eyre Bird > Observatory" in column 4: > > # Comments; present if and only if countries have multiple timezones, > # and useful only for those countries. For example, the comments > # for the row with countries CH,DE,LI and name Europe/Zurich > # are useful only for DE, since CH and LI have no other timezones. > > "Eyre Bird Observatory" is useful only for AU, since JP has no other > timezones; so this is another example of that column-4 idea. > >
