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My system clock (which I can modify in UEFI) is working OK, but three hours behind me. It's always UTC+00, and changing it is useless because it often resets when my notebook runs out of battery.

I just want to know how I can make Windows 8.1 STOP syncing with it each boot?

I pressed Win+I, gone to Metro-UI settings and disabled "Set time automatically" setting but it still does it.

I also disabled the "synchronize time over internets" setting but still no effect. Can I change something in the registry to fix it?

Mokubai
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mekkanizer
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  • If your system clock is wrong, and keeps getting reset when your battery dies, wouldn't you *want* to have network time synchronization? Otherwise your clock is always wrong, isn't it? – Xen2050 Jan 10 '15 at 02:33
  • @Xen2050 I'll tell you why: 1)because I spend a lot of time offline 2) because even if I haven't it just doesnt work automatically! To sync it I have to EACH time go to the internet_time_sync tab in the settings and press `update now`! – mekkanizer Jan 10 '15 at 04:19
  • wouldn't the fix be to get a new CMOS battery? – Tetsujin Jan 10 '15 at 11:41
  • @Tetsujin Why spend money on something I don't need at all? I don't want to void warranty (by doing it myself) and I'm not going to pay some cunning a-holes $100 for doing that with replacing the seal. – mekkanizer Jan 12 '15 at 06:36
  • @mekkanizer Please mind the tone of both your comments *and* questions. We require that all users address each other in civil terms and [be nice](http://superuser.com/help/be-nice). Specifically "**Rudeness and belittling language are not okay.** Your tone should match the way you'd talk in person with someone you respect and whom you want to respect you." and "**Be welcoming, be patient, and assume good intentions.**". People are trying to help you, there is no need at all for the language you are using. – Mokubai Mar 24 '15 at 18:43

1 Answers1

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Open regedit

Navigate to the following key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation

Right-click in the white area and select New --> DWORD (32-bit Value)

Name the key RealTimeIsUniversal

Double-click on it and set its value to 1.

source:
https://superuser.com/a/552275/406980
https://superuser.com/a/497666/406980