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.kmu.ac.kr server time check history

  • 2019-06-07 12:16:35 KST -0.036547
  • 2019-04-21 06:59:51 KST -0.010531
  • 2019-04-15 20:10:23 KST -0.076077
  • 2019-03-04 08:29:16 KST -0.031291
  • 2019-03-04 08:28:05 KST -0.036432
  • 2019-03-04 08:26:42 KST -0.073627
  • 2019-03-04 08:25:03 KST -0.049797
  • 2019-03-04 08:23:33 KST -0.061411
  • 2019-03-04 08:21:58 KST 0.004780
  • 2019-02-15 09:59:21 KST -0.768931
  • Average -0.1139864

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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.