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I like to show seconds in the clock in the notification area of the taskbar (aka system tray, the lower right corner of the display).

In Windows 10, I added an item in the registry editor.

\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced

ShowSecondsInSyetemClock (DWORD 32 bit), value = 1

But this method does not seem to work in Windows 11.

Can I do this in Windows 11?

Albin
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user67275
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  • Try using the control panel: "To do so, open the Control Panel and go to Clock, Language, and Region. Next, click on Change date and time. Then, under Additional settings, select the Time tab. Check the box next to Show seconds in the system tray clock." - You should be able to modify the "short time" to be the same as the "long time" (i.e. `h:mm:ss tt` – Ramhound Oct 29 '22 at 04:03
  • @Ramhound the "show seconds" option is no longer available in Windows 11 – Albin Oct 29 '22 at 06:56

2 Answers2

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Unfortunately at the moment with Windows 11 this can not be achieved without 3rd party software. There are several free options you can use e.g. MantisMountainMobile/TClock-Win10 or martinet101/ElevenClock from Github.

I myself use a combination of ExplorerPatcher and White-Tiger/T-Clock. Unfortunately, the White-Tiger branch of T-Clock does not work yet on the Windows 11 taskbar, so you need to use ExplorerPatcher to go back to the Windows 10 taskbar. I needed the ungrouping of taskbar icons so I had to go back to the Windows 10 taskbar anyway.

Update: I found a T-Clock branch that works on Windows 11: MantisMountainMobile/TClock-Win10, with T-Clock you get the option to display and tweak a variety of other things like system data (CPU, mem, etc.). And it's portable so no installation is required.

Albin
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  • Those 3rd party tools will simply restore the Windows 10 clock with some additional settings. The Windows 11 clock also has the new notification side bar linked to it for example which you will lose out on. What we want is the Windows 11 clock, with the option to enable seconds. – ViBoNaCci Nov 03 '22 at 10:21
  • @ViBoNaCci that might be the case, but at the moment there is simply no implementet option to add seconds to the windows clock without using 3rd party software / replacing the clock. – Albin Nov 03 '22 at 15:31
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Setting ShowSecondsInSystemClock to 1 under

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced

works for me ✅ as of 2023 May 10 (it used to not work before the latest update).

enter image description here

My Windows is:

Edition Windows 11 Pro
Version 22H2
Installed on    ‎26/‎04/‎2023
OS build    22621.1702
Experience  Windows Feature Experience Pack 1000.22641.1000.0
tymtam
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