I may be wrong but for me, 100% of the time when I have come across a computer where windows stops showing the correct time and date the battery on the system has failed.If I understand you correctly, you have reverted back to using the standard clock, the clock that windows provides?If the hardware clock is being set to "GMT," when it's actually the local time, Windows will pick this setting up as local time as it did before. ***The short solution for people who know how to edit the registry: A DWORD key called HKEY_LOCAL_MACHINE\SYSTEM\Current Control Set\Control\Time Zone Information\Real Time Is Universal needs to have the value of "1"The step-by-step solution is as follows:1. Search for "time zone" in forum search (including quotes). But in some forums/web services you have inaccurate times cause they read out your zone and calculate the time from their local. All you have to do is stick it in your Start Menu's startup folder, and it'll fix it if necessary on boot. , my clock revert back again into GMT which is -7 hours.To fix this, you need to add a key to your Windows system registry to tell Windows that your hardware clock will always be GMT.*** WARNING: Editing your registry improperly can render your Windows installation inoperable. The solution I used was to set an appropriate time zone in OSX, namely London (or "Ponta Delgada", depending if we're in daylight saving period). The weired things, if I do reboot to OSX, logon, restart/reboot logon into XP it will fixed again.... I've made the proper change in the registry to set Windows to use UTC, and it will work for roughly an hour, then revert to my local time, GMT -6.
The desktop clock would have its own way of keeping time, its software, a program.
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A desktop clock I downloaded always updated and kept the correct time for months. I downloaded this clock because of the problem with the standard clock. If I understand you correctly, you have reverted back to using the standard clock, the clock that windows provides?
However, I can sync the time with the command line.
To verify this, I manually changed the time to an hour earlier. The time service seems to work, just not so that I can see it! I'm thinking one of the registry settings may have become messed up.