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.inha.ac.kr/sugang/ server time check history

  • 2018-12-12 13:53:12 KST 0.216164
  • 2018-11-26 08:29:19 KST 0.002768
  • 2018-11-26 08:23:52 KST -0.358615
  • 2018-11-06 16:42:21 KST -0.070655
  • 2018-10-31 17:32:22 KST -0.063577
  • 2018-09-07 08:09:05 KST -0.170229
  • 2018-08-31 09:53:56 KST -0.665333
  • 2018-08-24 13:58:39 KST -0.919670
  • 2018-08-24 13:55:36 KST -0.118737
  • 2018-08-24 13:53:36 KST -0.055976
  • Average -0.220386

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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.