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.anu.ac.kr/index.jsp server time check history

  • 2018-05-02 19:24:11 KST -0.025143
  • 2018-04-27 02:19:18 KST -0.007079
  • 2018-04-26 17:57:36 KST 0.017308
  • 2018-04-24 22:41:23 KST -0.043882
  • 2018-04-20 09:55:12 KST -0.035672
  • 2018-04-11 08:39:25 KST -0.027734
  • 2018-03-26 03:17:29 KST -0.009739
  • 2018-03-24 10:11:09 KST 0.001695
  • 2018-02-24 12:11:47 KST -0.084136
  • 2018-02-13 23:58:35 KST -0.008570
  • Average -0.0222952

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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.