Nope. pt_BR refers to the Brazilian latin1 locale, and if that has not been generated (it hasn't usually), the system falls back to the C locale.
$ LC_TIME=C date +%x 04/14/18 $ LC_TIME=pt_BR.UTF-8 date +%x 14/04/2018 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to langpack-locales in Ubuntu. https://bugs.launchpad.net/bugs/1101134 Title: Incorrect delimiter on pt_BR Status in GLibC: Fix Released Status in langpack-locales package in Ubuntu: Fix Released Bug description: The delimiter is incorrect on pt_BR locale. $ export LANG=pt_BR $ date +%x 17-01-2013 According to Wikipedia (http://en.wikipedia.org/wiki/Date_format_by_country), the delimiter are slashes, and not hyphens. -- version info -- $ lsb_release -rd Description: Ubuntu 12.04 LTS Release: 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/glibc/+bug/1101134/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : email@example.com Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp