默认情况下，Windows 11 和Windows 10每周都会将您的系统时间与Internet服务器同步。^(Internet)我们已经了解了如何更改 Internet 时间更新间隔^{(change the Internet Time Update interval)}以使Windows更频繁地同步时间。

^(Time)Windows中的^(Windows)时间同步是这样工作的。维护日期和时间同步的是Windows 时间服务^{(Windows Time Service)}或W32Time.exe。独立客户端和服务器上的默认时间同步间隔为 604,800 秒或 7 天。

您还可以通过日期和时间设置^{(Date and Time Settings.)}选择要同步计算机时间的Internet 时间服务器。^{(Internet Time)}

为此，请单击任务栏通知区域中的时间^(Time)> Change日期和时间设置 > Internet 时间^{(Internet Time)}选项卡> Change设置。

在这里，您可以从下拉菜单中选择时间服务器。

^(Check)在Windows中^(Windows)检查系统时钟^{(System Clock)}的准确性

虽然其中大多数都近乎准确，但如果您想检查它们的准确性，您可以通过将其与原子钟^{(atomic clock)}进行比较来做到这一点，这将为您提供完美的结果。

Time.is是一项免费的在线服务，可让您将系统时间与原子钟进行比较，无论您的操作系统或设备如何。

显示的时间具有 0.02-0.10 秒的准确度或精度，这取决于您的互联网连接和计算机的繁忙程度。即使您的计算机时钟没有，它也会调整为夏令时。^{(Daylight Saving Time)}

虽然这里或那里几秒钟不会产生任何影响，但如果您检查Windows计算机时间的准确性，则不会造成任何伤害。

除了告诉您系统时间的准确性之外，它还分享了一些关于您所在位置的基本事实。

具体来说，它可以让您：

1. 检查系统时钟的准确性
2. 在全球 700 万个地点找出现在的确切时间
3. 比较不同地点的时间
4. 显示日历^{(Display Calendar)}、日出^(Sunrise)和日落时间、时区^{(Time Zone)}详细信息、纬度^(Latitudes)和经度、当地^(Local)节假日、人口等。

如果您想了解系统时间的准确度，请访问Time.is。快吗？还是慢？

Check the accuracy of your System Clock in Windows 11/10

Windows 11 and Windows 10, by default, syncs уour system time with Internet servers, eνery week. We have already seen how you can change the Internet Time Update interval to make Windows synchronize time more frequently.

Time synchronization in Windows works like this. It is the Windows Time Service or W32Time.exe, that maintains date and time synchronization. The default time sync interval on stand-alone clients and servers is 604,800 seconds or 7 days.

You can also choose which Internet Time server, you want to synchronize your computer’s time, via Date and Time Settings.

To do so, click on the Time in the taskbar notification area > Change date and time settings > Internet Time tab > Change settings.

Here you can select the time server from the drop-down menu.

Check accuracy of System Clock in Windows

While most of these are near-accurate, if you want to check their accuracy, you can do so by comparing it with an atomic clock, which will give you perfect results.

Time.is is a free online service that lets you compare your system time with an atomic clock, irrespective of your operating system or device.

The displayed time has accuracy or precision of 0.02-0.10 seconds, and this depends on your internet connection and how busy your computer is. It also adjusts to Daylight Saving Time, even if your computer clock does not.

While a few seconds here or there is not going to make any difference, there is no harm done, if you check the accuracy of your Windows computer’s time.

Apart from telling you how accurate your system time is, it also shares some basic facts about your location.

Specifically, it lets you:

1. Check the accuracy of your system clock
2. Find out what the exact time is right now at 7 million locations around the world
3. Compare time at different locations
4. Display Calendar, Sunrise and sunset times, Time Zone details, Latitudes and longitudes, Local holidays, population, and more.

Head over to Time.is if you want to find out how accurate your system time is. Is it fast? Or slow?

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