I remind that creating a new locale implies using the "copylocale" utility. The date formats must reside inside "formatters.properties" (maybe you should also check validators.propertie for date validation). I believe that you first copy the "source" locale to some intermediate pseudo-locale. There you update the properties files. Then you use copylocale again from the intermediate to the real target locale.
Hope this helps Nicolas Granon > -----Message d'origine----- > De : mark goldin [mailto:markzolo...@gmail.com] > Envoyé : lundi 6 novembre 2017 18:58 > À : users@flex.apache.org > Objet : Problem with creating new Locale > > I am creating a new locale "en_GB". For that I created a new folder > "en_GB" > under locale and copy into it all my en_US bundles. I also modified > flex.proj file by adding a new locale there. The build builds new > locale without a problem, but when I run the app. all date are shown in > an us format. What am I missing? > > Thanks