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.daum.net/officialsonamoo server time check history

  • 2019-06-23 23:47:04 KST -0.053647
  • 2019-05-31 18:10:28 KST -0.025193
  • 2019-05-15 01:46:21 KST -0.010797
  • 2018-11-17 20:46:47 KST -0.043318
  • 2018-10-22 00:35:33 KST -0.070514
  • 2018-08-27 07:26:20 KST -0.018789
  • 2018-08-27 07:24:26 KST -0.042970
  • 2017-07-29 10:42:10 KST -0.068055
  • 2017-02-05 20:58:47 KST -0.054310
  • 2017-01-19 20:50:43 KST -0.009589
  • Average -0.0397182

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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.