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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우리말 English

https://seowon.seowon.ac.kr/websamp/susu_11b.html server time check history

  • 2018-03-02 08:48:49 KST 2.611792
  • 2018-02-19 08:35:29 KST 5.970109
  • 2018-02-07 08:53:13 KST -30.737992
  • 2018-02-07 08:31:54 KST -30.157334
  • 2017-08-23 08:44:28 KST 7.442056
  • 2017-08-21 08:50:19 KST 8.407713
  • 2017-08-21 08:10:24 KST 7.953335
  • 2017-08-20 18:54:24 KST 8.311435
  • 2017-08-18 08:46:52 KST 8.295441
  • 2017-08-18 08:35:42 KST 8.644109
  • Average -0.3259336

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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.