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://ktis.kookmin.ac.kr/kmu/sys/nav_sub_sch.jsp server time check history

  • 2019-08-19 09:47:14 KST -0.789867
  • 2019-08-19 09:45:49 KST -0.663210
  • 2019-08-19 09:43:06 KST -0.711735
  • 2019-08-19 09:36:11 KST -0.458953
  • 2019-03-07 09:48:21 KST -0.972529
  • 2019-03-07 09:46:13 KST -1.007458
  • 2019-03-07 09:43:56 KST -0.859350
  • 2019-03-04 09:49:55 KST -0.204575
  • 2019-02-20 16:20:13 KST -0.957812
  • 2019-02-14 09:39:15 KST -0.126848
  • Average -0.6752337

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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.