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.dgist.ac.kr server time check history

  • 2020-06-21 14:50:33 KST -0.016505
  • 2019-12-20 03:53:22 KST -0.009982
  • 2019-11-06 14:55:21 KST -0.002533
  • 2019-10-14 22:56:23 KST -0.062086
  • 2019-08-19 09:53:05 KST -0.058400
  • 2019-08-14 12:17:37 KST -0.073662
  • 2019-06-03 12:28:10 KST -0.030670
  • 2019-03-04 08:12:33 KST -0.023375
  • 2019-03-04 08:08:38 KST -0.067652
  • 2019-02-14 02:07:11 KST -0.014933
  • Average -0.0359798

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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.