How to Show Seconds on Ubuntu’s Clock & Calendar

Having the current seconds visible on your Ubuntu desktop can be incredibly useful, especially if you need precise time tracking or just prefer a more detailed clock display. By default, Ubuntu’s top panel clock shows only hours and minutes, which might not be enough for users who require real-time seconds. Fortunately, enabling seconds on your Ubuntu clock is a straightforward process, requiring only a few simple steps. This guide will walk you through how to display seconds on Ubuntu’s clock and calendar, ensuring your desktop shows the most precise time possible.

What You’ll Need

• An Ubuntu system (version 20.04 LTS, 22.04 LTS, or newer preferred)
• Administrative privileges (your user account must have sudo access)
• Access to the terminal (either via Ctrl+Alt+T or through the application menu)

Step-by-Step

1. Open the Terminal: Launch your terminal window. You can do this by pressing Ctrl+Alt+T or searching for “Terminal” in your application menu.
2. Edit the GNOME Shell Settings: To enable seconds on the clock, you’ll need to modify the GNOME desktop settings. Enter the command:

   gsettings set org.gnome.desktop.interface clock-show-seconds true

3. Verify the Change: To ensure the setting was applied, run:

   gsettings get org.gnome.desktop.interface clock-show-seconds

   If the output is true, the seconds should now be visible on your clock.

4. Refresh the Desktop: Usually, the change takes effect immediately. If not, restart GNOME Shell by pressing Alt+F2, typing r, and pressing Enter. Alternatively, log out and log back in.
5. Check Your Clock: Look at the top panel clock. You should now see the seconds displayed alongside the hours and minutes, providing a more detailed view of the current time.
6. Optional – Customize the Calendar View: If you want the seconds to also appear in the calendar dropdown, you might need to install additional extensions or tweak settings further. However, the above steps are sufficient for most users to see seconds on the main clock.

Common Mistakes

• Forgetting to run the command with correct syntax: Make sure you type the gsettings command exactly as shown, including proper spelling and case.
• Not restarting GNOME Shell after changing settings: If the seconds don’t appear, try restarting GNOME Shell or logging out and back in.
• Using an unsupported Ubuntu version: Some older or customized versions of Ubuntu may have different settings or may not support this feature without extensions.
• Not having the necessary permissions: Ensure your user has the rights to modify GNOME settings, which usually isn’t an issue for regular users.

Tips

• To quickly toggle seconds on and off, you can run the same command with false instead of true:

gsettings set org.gnome.desktop.interface clock-show-seconds false

• Use keyboard shortcuts to open the terminal quickly, such as Ctrl+Alt+T.
• If you prefer a more customized clock appearance, consider installing GNOME extensions designed for clock customization, which might include additional options for seconds, date, or styling.
• Keep your system updated. Sometimes, GNOME features and settings improve with updates, ensuring better compatibility and stability.

Troubleshooting

If the seconds are not showing after following the steps above, try these troubleshooting tips:

• Reapply the setting: Run the command again to ensure it was correctly set:

  gsettings set org.gnome.desktop.interface clock-show-seconds true

• Restart GNOME Shell: Press Alt+F2, type r, and press Enter. This restarts GNOME without closing your applications.
• Log out and log back in: Sometimes, a full session restart is needed for changes to take effect.
• Check for updates: Ensure your Ubuntu system and GNOME desktop are fully updated, as updates may fix bugs or add features.
• Use GNOME Tweaks or Extensions: If the built-in options don’t suffice, consider installing the GNOME Tweaks tool or extensions like “Clock Override” to gain more control over the clock display.
• Verify your desktop environment: The commands provided are for GNOME. If you’re using a different desktop environment (like KDE, XFCE), the process will differ.

If all else fails, consult Ubuntu forums or official documentation for your specific version, as the exact steps may vary slightly.

Frequently Asked Questions

1. Can I show seconds on the lock screen clock?

Typically, the settings to show seconds apply only to the desktop panel clock. Showing seconds on the lock screen clock requires additional customization or extensions, and may not be supported by default.

2. Will showing seconds affect system performance?

Enabling seconds has a negligible impact on system performance, as it only updates the clock display more frequently without consuming significant resources.

3. How can I revert to the default clock display?

Run gsettings set org.gnome.desktop.interface clock-show-seconds false in the terminal, then restart GNOME Shell or log out and back in.

4. Is this method compatible with Ubuntu versions earlier than 20.04?

Most likely not. Older versions of Ubuntu may use different desktop environments or settings tools. Check your version and consider updating for best compatibility.

5. Can I customize the clock format further?

Yes, you can customize the clock format via the dconf-editor or GNOME extensions, allowing you to change date formats, add or remove elements, and more.

6. How do I install GNOME extensions for clock customization?

You can install extensions via the GNOME Extensions website or through the GNOME Tweaks tool. Search for clock-related extensions, then enable and configure them as needed.

By following these steps, you can easily display seconds on your Ubuntu clock, providing a more detailed and precise view of the current time directly from your desktop.

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