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://cafe.naver.com/growtopiakorea server time check history

  • 2020-11-20 04:48:12 KST -0.012490
  • 2020-08-25 22:20:52 KST -0.005871
  • 2019-11-06 14:56:50 KST -0.040953
  • 2019-03-28 18:56:35 KST -0.010326
  • 2018-05-11 00:10:21 KST -0.052112
  • 2018-04-23 03:08:24 KST 0.004407
  • 2018-03-24 06:21:51 KST -0.072451
  • 2018-03-22 00:10:08 KST -0.011814
  • 2018-03-06 14:05:09 KST -0.070734
  • 2018-02-23 10:45:50 KST -0.063437
  • Average -0.0335781

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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.