Auto was the region's answer whole, dot and all, so Denmark got 13.45
while every explicit setting beside it wrote 13:45. One screen punctuating
a time differently from the next is not local colour, it is an
inconsistency, and it was ours to fix rather than the locale's.
So the region is asked one question now — does this reader expect 13:45
or 01:45 pm, which is a real difference in how people tell the time — and
the printing is the same two lines for all three settings. Denmark, Poland
and Japan read 24-hour and get 13:45 from auto; the US reads 12-hour and
gets 01:45 pm from it, with the same colon and the same marker as
everywhere else.
The marker reads in English wherever it appears. That is the trade the
setting already made when it offered a 12-hour clock to regions that do
not use one.
This drops the formatToParts pass from the commit before it: once both
halves are fully specified there is nothing left to ask the locale, and
the answer is shorter written out.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
