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Time zone keeps changing to central time regardless what I do

Out of nowhere, my Windows 10 PC's time zone keeps changing to Central Time, when I undo it, it changes back.

I tried everything I could think of, I watched multiple tutorials, looked it up on several websites, the problem is not permanently solved.

I tried control panel > date and time > change time zone

Didn't work

I tried services > windows time > stop > automatic > start > restart

Didn't work

I tried one with CMD where its similar to the services one

Didn't work

No matter what I do, it keeps changing back to Central Time randomly.

Hi,
I'm Sumit, here to answer your query at the Microsoft Community.

The event log might give a hint.

Please open the event viewer using Win+X menu.

In the System event log > Click Find > Search for time.

What event logs do you see.
Sumit

Working on IST
Always include PC Specifications with the problem. Additionally, ensure all the latest quality updates have been installed.

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Image

This is what I get.

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Thank you.

Is there a work account connected on the machine?
Sumit

Working on IST
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No. There isn't.

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Thank you.

Could you please do the following?

Press Win + R to open the Run dialog.
Type regedit and hit Enter to open the Registry Editor.
In the Registry Editor, navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation.
Find the TimeZoneKeyName value and double-click it.

Change the value data to the preferred time zone name (e.g., “GMT Standard Time”).
Click OK to save the changes.


To disable automatic time zone updates:

Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\tzautoupdate.

Set the Start value to dword:00000004 (for manual time zone setting).

Hope that helps, and rely on us for any further inquiries. All the best.
Sumit

Working on IST
Always include PC Specifications with the problem. Additionally, ensure all the latest quality updates have been installed.

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Same here. Server is set to Manual Update.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\tzautoupdate\Start = 4

Machine still reverts to Central Time instead of Eastern.

At least it is not propagating to the workstations.

Ertic Anderson

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Never mind. I wrote a script to set the Time Zone.
Can't find a real answer, so I'll band aid the issue.


tzutil /s "Eastern Standard Time"

Scheduled it to run daily at 0300.
Should be enough.

Ertic Anderson

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Last updated April 24, 2025 Views 631 Applies to: