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.ajou.ac.kr/ server time check history

  • 2020-08-24 09:36:38 KST -0.002202
  • 2020-06-08 20:50:45 KST -0.013603
  • 2020-03-16 07:58:54 KST -0.026386
  • 2020-03-16 07:56:49 KST -0.233289
  • 2020-03-16 07:52:10 KST 0.000635
  • 2020-03-16 07:48:19 KST -0.056842
  • 2020-03-16 07:36:43 KST -0.305881
  • 2020-02-25 09:55:50 KST -0.181867
  • 2020-02-25 09:44:29 KST -0.177492
  • 2018-08-06 10:00:04 KST -0.813411
  • Average -0.1810338

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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.