有时当你设置一个双引导系统时，时间和时钟的设置会让事情变得有点奇怪，那么你如何解决这个问题呢？今天的超级用户问答帖子提供了一个完美的解决方案，可以帮助一个沮丧的读者解决他的双启动时钟问题。

今天的问答环节是由SuperUser提供的，SuperUser是Stack Exchange的一个分支，是一个由社区驱动的问答网站分组。

照片由随机抽取的吸管提供（Flickr）。

问题

超级用户读者arielnmz想知道如何在他的双引导Windows/Linux设置中获得两个时钟，以显示正确的和匹配的时间：

Ever since I started using Linux in a dual-boot set up with Windows, I have noticed when I rebooted the machine, the time on the other operating system was wrong (for example, 12:00 on Linux, reboot to Windows and see 18:00). When I checked the BIOS, the RTC was set to 18:00.

Since my time zone is -06:00 CST, I assume Linux just sets the RTC’s time to UTC and re-calculates the time based on the time zone whereas Windows just sets the RTC to the time for the time zone. Both use the same NTP server to synchronize the time.

My question is, which one is doing the right thing? On which one should I set the time zone setting to UTC in order to have the right time on both?

解决arielnmz的双启动时钟问题的最佳方法是什么？

答案

超级用户贡献者Ayan Patra为我们提供了答案：

I recently faced the same problem and this is how I fixed it. You need to make some minor changes in both operating systems.

I started with Linux first. Run the following commands as root:

• ntpdate pool.ntp.org

This will update your time if it is not set correctly.

Now set the hardware clock to UTC with this command.

• hwclock –systohc –utc

Source

Now boot to Windows and add the following to the registry. Simply create a .reg file using the code below in Notepad. Save it and run it.

• Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation] “RealTimeIsUniversal”=dword:00000001

Source

From the next boot onward, both operating systems will show you the correct time.

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