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://sugang.ewha.ac.kr server time check history

  • 2018-05-23 08:59:39 KST -0.021066
  • 2018-05-23 08:47:57 KST -0.042997
  • 2018-05-23 08:44:43 KST -0.002990
  • 2018-03-07 20:58:36 KST -0.238095
  • 2018-03-07 20:33:40 KST 0.002284
  • 2018-03-06 15:38:04 KST -0.017874
  • 2018-03-06 15:34:11 KST -0.337622
  • 2018-03-06 15:32:58 KST -0.043329
  • 2018-03-06 14:49:50 KST -0.024227
  • 2018-03-02 08:59:20 KST 0.016301
  • Average -0.0709615

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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.