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

  • 2020-05-25 08:18:54 KST -0.503495
  • 2020-03-28 03:37:13 KST -0.276928
  • 2020-03-26 22:27:58 KST -0.178589
  • 2020-03-20 08:29:07 KST -0.375962
  • 2020-03-20 08:21:45 KST -0.430245
  • 2020-02-20 13:38:13 KST -0.537212
  • 2020-02-20 09:47:00 KST -0.835587
  • 2020-02-20 09:41:33 KST -0.355416
  • 2020-02-13 09:47:31 KST -0.288676
  • 2020-02-12 09:52:07 KST -0.662018
  • Average -0.4444128

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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.