In ICU, we are using Gregorian eras (AD/BC) as customarily interpreted, and there is no year zero. There isn't a simple way to get non-era years—and that form is mostly interesting to techies, not normal people, which is why we support the era form.
(If someone wanted to do it, you could probably get reasonable results by taking the input date, parsing with a calendar, and if the year < 1, set the year field to 1-year, get the date pattern for the locale, get the number pattern for a negative integer in the locale, insert the prefix/suffix around the year field in the date pattern, and format the Calendar date. That's be a dozen or two lines of code, but would need some extra code for exceptions.) Mark <https://plus.google.com/114199149796022210033> * * *— Il meglio è l’inimico del bene —* ** On Thu, Sep 13, 2012 at 8:40 AM, Norbert Lindenberg < [email protected]> wrote: > > On Sep 13, 2012, at 6:55 , Andrew Paprocki wrote: > > >>>> and Explorer formats it as being in the year 1 BC. Safari calculates > the day > >>>> according to the Julian calendar, all others use the proleptic > Gregorian > >>>> calendar. > > > > That is very surprising to me. Can anyone comment on why Safari chose > > that implementation? > > Probably because that's the default used for date and time formatting in > ICU. ICU can be made to use a proleptic calendar by setting the Gregorian > cutover to the beginning of time; I don't see an easy way to make it > introduce a year 0. > > Norbert > >
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