NKO Atomic Clock

Current time in milliseconds unit, dday remaining time calculator, elapsed time, stopwatch, server time checker

☞ Install NKO Atomic Clock(Android app) at Google Playstore
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http://gall.dcinside.com/board/lists?id=twice server time check history

  • 2019-01-16 22:59:10 KST -2.699596
  • 2019-01-15 23:03:19 KST -2.516506
  • 2019-01-11 22:57:24 KST -2.828247
  • 2019-01-05 17:27:03 KST -1.604787
  • 2019-01-04 22:57:56 KST -3.550945
  • 2019-01-04 21:00:18 KST -1.487030
  • 2019-01-04 00:34:58 KST -0.867671
  • 2019-01-04 00:31:52 KST -0.803519
  • 2019-01-04 00:27:45 KST -0.791943
  • 2019-01-04 00:21:57 KST -0.940987
  • Average -1.8091231

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We fetch a server clock and let you see

Webservers transmit their time in seconds unit, so without special treatment, the maximum error would be as big as 1 second. NKO Atomic Clock calculates a server time more than ten times in 1 second and seize the moment when the second changes. Thus we can minimize the calculation error as small as 0.1 second. Moreover, delays between our server and a destination server are considered so the accuracy of time increases.

NKO supports the HTTPS protocol and subdomains

Some servers use different servers over protocols or subdomains. You can get a desired result by specifying more details.


# You need to tell us an exact server address. For example, some sites host differently by whether the address begin with WWW or not.

# Even if your computer clock isn't synchronized, NKO always will display correct time.

# If you click a numeric time error in the history view, the clock will use that measurement.

# The results can have quite much error if the destination server is under load balancing. Please refer to a variance in the server time history information.

# A particular service uses its own time clock, different with web servers' clock. in this case, server time guessing is not meaningful.