7

I have installed Ubuntu 18.04 and I have the following issue:

I tried to change the date on the top panel to 12h format instead of the default 24h format but I found no editable option into settings or gnome-tweaks tool.

I hope to find help here.

  • 2
    Settings > Date & Time > 24 hrs or am/pm. cli: gsettings set org.gnome.desktop.interface clock-format '12h' -should be a dupe of something. – Jacob Vlijm May 22 '18 at 8:45
  • It works via cli and there's no data & time option in 18.04, add it in an answer so anyone can find help throw the question. – AboElnouR May 22 '18 at 8:50
  • To my surprise, I found no literal dupe with a working answer quickly. I'll leave the GUI option, since it is present on my Ubuntu Budgie 18.04 – Jacob Vlijm May 22 '18 at 9:04
  • Yes, you're right. I found that I had something wrong with that installation and I had many things missed (including this issue), so I reinstalled my ubuntu and everything works fine. – AboElnouR Oct 26 '19 at 19:56
11

There are several ways:

  1. From GUI (Settings):

    Open Settings >Details> Date & Time. Then pick either 24 hrs or am/pm

  2. From GUI (using dconf-editor)

    Open dconf Editor (not installed by default, run

    sudo apt install dconf-editor
    

    to install), and browse to org > gnome > desktop > interface > clock-format, and change the format to '12h'

    enter image description here

  3. From command line:

    Run the command:

    gsettings set org.gnome.desktop.interface clock-format '12h'   
    

    To revert:

    gsettings set org.gnome.desktop.interface clock-format '24h'
    
  • I found another solution using dconf can I edit your answer and add it? – AboElnouR May 22 '18 at 9:32
  • @AboElnouR OK, can't find it quickly, but gsettings is the cli frontend to dconf. gsettings is usually slightly slower, higher level, but includes a consistency check to the dconf database. – Jacob Vlijm May 22 '18 at 9:38
  • I just wanted to provide another solution to those who may not understand this command, But it's Ok. – AboElnouR May 22 '18 at 9:45
  • 1
    Yes, That's exactly what I mean. – AboElnouR May 22 '18 at 10:02
  • 1
    @AboElnouR right! added. – Jacob Vlijm May 22 '18 at 10:03
1

To run the following commands, first install the dconf-editor package:

sudo apt install dconf-editor

Then run this command, to switch to 12-hour mode:

gsettings set org.gnome.desktop.interface clock-format '12h'   

If you ever want to revert to 24-hour mode, you can do so by running:

gsettings set org.gnome.desktop.interface clock-format '24h'
-1

Right click on the date and time located in the panel.

Change the capital R to lower-case r.

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