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

  • 2019-06-22 11:52:29 KST -0.010923
  • 2019-05-21 08:59:31 KST 0.003022
  • 2019-05-21 08:57:34 KST -0.047550
  • 2019-05-21 08:56:04 KST -0.034970
  • 2019-05-21 08:53:33 KST -0.015273
  • 2019-05-21 08:49:10 KST 0.012790
  • 2019-05-20 10:58:46 KST 0.002550
  • 2019-04-22 15:09:01 KST -0.034561
  • 2019-03-04 16:58:31 KST -0.042545
  • 2019-03-04 16:32:38 KST -0.015628
  • Average -0.0183088

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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.