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.sungshin.ac.kr/main.html server time check history

  • 2018-11-15 19:56:54 KST -0.695918
  • 2018-11-06 19:11:29 KST 0.072839
  • 2018-09-01 09:00:39 KST -0.595364
  • 2018-08-22 09:56:34 KST -0.977488
  • 2018-08-22 09:54:27 KST -0.974395
  • 2018-08-22 09:53:26 KST -0.999002
  • 2018-08-22 09:51:39 KST -0.960434
  • 2018-08-22 09:50:15 KST -0.909904
  • 2018-08-22 09:46:03 KST -0.922210
  • 2018-08-22 09:44:09 KST -0.980643
  • Average -0.7942519

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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.