24 hour time -

[Bruno Wolff III]

On Mon, Feb 04, 2013 at 21:41:50 -0500,
   "Bob Goodwin - Zuni, Virginia, USA" <bobgoodwin at wildblue.net> wrote:
>
>       Where do you set the locale? setlocaleLANG=en_DK.utf8 has no
>       effect here. Not sure which Lightning add-on you are referring
>       to. I have one called "Config Date" which works well enough but
>       I need to change the locale to have 24 hour time and can't find
>       where to set that.

I set this for the gnome desktop in the region and language settings, 
setting the "format" to Denmark (English).

Lightning is the calendar extension for Thunderbird.