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://ticket.yes24.com/Pages/Perf/Detail/DetailSpecial.aspx?IdPerf=30426 server time check history

  • 2020-06-13 20:04:57 KST -0.177946
  • 2019-12-02 13:05:15 KST -0.769116
  • 2018-08-17 05:48:11 KST -0.069449
  • 2018-07-28 09:28:14 KST -0.922316
  • 2018-07-26 23:48:28 KST -0.865130
  • 2018-07-26 19:59:55 KST -0.155289
  • 2018-07-26 19:58:49 KST -0.362397
  • 2018-07-26 19:57:35 KST -0.621238
  • 2018-07-26 19:55:39 KST -0.950954
  • 2018-07-26 19:54:19 KST -0.943162
  • Average -0.5836997

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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.