The time in world time section is not adjusted to 24h format

[dlituiev]

With 24h format set, world time is still displayed AM/PM style in
(1) drop down (after activating world times in : Time & date -> Clock -> Time in other locations)
(2) in the settings (Time & date: the field "Time" at the very bottom)

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.3+14.04.20150916-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-73.116-generic 3.13.11-ckt30
Uname: Linux 3.13.0-73-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Dec 30 23:17:28 2015
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2014-11-27 (398 days ago)
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
ProcEnviron:
 PATH=(custom, user)
 SHELL=/bin/bash
 LANG=en_US.UTF-8
 XDG_RUNTIME_DIR=<set>
 LANGUAGE=en_US
SourcePackage: unity-control-center
UpgradeStatus: Upgraded to trusty on 2014-11-27 (397 days ago)
usr_lib_unity-control-center:
 deja-dup 30.0-0ubuntu4
 gnome-control-center 1:3.6.3-0ubuntu56.1