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Accepted
AboElnouR
Asked: 2018-05-23 00:38:30 +0800 CST

How to change time display to 12h time format in Ubuntu

  • 772

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.

clock gnome-shell

3 Answers

  1. Best Answer

    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'
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  2. 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'
    • 2

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

    Change the capital R to lower-case r.

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