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://kda-academy.or.kr server time check history

  • 2019-04-30 18:59:35 KST -0.023112
  • 2019-04-29 03:15:33 KST -0.063744
  • 2019-04-22 12:57:34 KST -0.019579
  • 2019-04-19 09:55:36 KST -0.039940
  • 2019-03-22 12:55:23 KST -0.025449
  • 2019-03-20 09:59:03 KST -0.062901
  • 2019-03-20 09:56:47 KST 0.003014
  • 2019-03-20 09:53:53 KST -0.019176
  • 2019-03-20 09:36:10 KST -0.011408
  • 2019-03-20 09:28:34 KST -0.006403
  • Average -0.0268698

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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.