Package: libc6 Version: 2.19-22 Severity: normal strftime doesn't honor the charmap. The following shows that strftime yields ISO-8859-1 characters while the charmap is UTF-8.
$ locale LANG=POSIX LANGUAGE= LC_CTYPE=en_US.UTF-8 LC_NUMERIC="POSIX" LC_TIME=fr_FR LC_COLLATE=POSIX LC_MONETARY="POSIX" LC_MESSAGES="POSIX" LC_PAPER="POSIX" LC_NAME="POSIX" LC_ADDRESS="POSIX" LC_TELEPHONE="POSIX" LC_MEASUREMENT="POSIX" LC_IDENTIFICATION="POSIX" LC_ALL= $ locale charmap UTF-8 $ date -d 2015-02-07 +%b f�vr. $ date -d 2015-02-07 +%B f�vrier $ date -d 2015-02-07 +%B | hd 00000000 66 e9 76 72 69 65 72 0a |f.vrier.| 00000008 Note that there is no such problem with LC_MESSAGES, e.g.: $ LC_MESSAGES=fr_FR cp cp: opérande de fichier manquant Saisissez « cp --help » pour plus d'informations. is UTF-8 as expected. -- System Information: Debian Release: stretch/sid APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 4.1.0-2-amd64 (SMP w/8 CPU cores) Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages libc6 depends on: ii libgcc1 1:5.2.1-17 libc6 recommends no packages. Versions of packages libc6 suggests: ii debconf [debconf-2.0] 1.5.57 ii glibc-doc 2.19-22 ii locales 2.19-22 -- debconf information: glibc/restart-services: libraries/restart-without-asking: false glibc/restart-failed: glibc/disable-screensaver: glibc/upgrade: true

