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://dreamy.jejunu.ac.kr:8080/sugang/index.html server time check history

  • 2018-03-02 08:59:38 KST -0.620805
  • 2018-03-02 08:50:59 KST -0.615975
  • 2018-02-07 08:59:02 KST -0.968061
  • 2018-02-07 08:52:42 KST -0.967682
  • 2018-02-07 08:39:35 KST -1.004812
  • 2017-10-18 22:08:34 KST -0.864203
  • 2017-08-16 08:58:20 KST -0.428861
  • 2017-08-16 08:53:31 KST -0.434281
  • 2017-08-16 08:51:58 KST -0.420705
  • 2017-08-16 08:45:22 KST -0.416577
  • Average -0.6741962

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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.