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://class.mju.ac.kr/sugang_login.html server time check history

  • 2018-09-03 12:59:04 KST -0.030923
  • 2018-09-03 09:51:38 KST -0.052898
  • 2018-08-21 23:05:05 KST -0.001212
  • 2018-08-21 23:02:52 KST -0.278877
  • 2018-08-21 09:56:47 KST -0.042852
  • 2017-02-17 09:37:35 KST -0.061267
  • 2017-02-17 09:36:24 KST -0.070317
  • 2016-08-09 09:33:33 KST -0.033475
  • 2016-03-02 09:56:51 KST 0.008410
  • 2016-02-26 09:27:14 KST -0.034151
  • Average -0.0597562

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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.