Check the accuracy of your System Clock

Windows 8 and Windows 7, by default, syncs your system time with Internet servers, every week. We have already see 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 chose 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.

internet time server windows

Check accuracy of System Clock

While most of these are near-accurate, if you want to check its 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 an 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.

accuracy-of-computer-clock

Apart from telling you how accurate your system time is, it also share 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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Anand Khanse is the Admin of TheWindowsClub.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.