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.knu.ac.kr server time check history

  • 2018-05-15 12:05:37 KST -0.040434
  • 2018-05-15 12:00:27 KST 0.077928
  • 2018-05-15 11:52:27 KST -0.024558
  • 2018-04-29 12:39:14 KST -0.050644
  • 2018-04-29 12:28:43 KST -0.044780
  • 2018-03-05 12:00:00 KST 0.749313
  • 2018-02-07 18:28:43 KST -0.072029
  • 2018-02-06 16:57:13 KST -0.019503
  • 2018-02-06 16:51:05 KST -0.047885
  • 2018-02-06 16:28:06 KST -0.059479
  • Average 0.0467929

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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.