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://nko.kr/?url=http://ticket.yes24.com/Pages/Perf/Detail/Detail.aspx?IdPerf=21754 server time check history

  • 2017-10-22 14:26:35 KST 0.181814
  • 2017-10-18 20:01:44 KST 0.115860
  • 2017-10-17 09:33:14 KST 0.120996
  • 2017-10-13 18:05:57 KST 0.017473
  • 2017-10-08 13:49:18 KST 0.389962
  • 2017-09-28 19:44:35 KST 0.129509
  • 2017-09-28 16:11:22 KST 0.121094
  • 2017-09-22 23:37:52 KST 0.140472
  • 2017-09-17 00:29:51 KST 0.127581
  • 2017-09-16 06:44:05 KST 0.142220
  • Average 0.1486981

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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.