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

  • 2019-03-26 08:56:32 KST 0.275826
  • 2019-03-19 13:05:50 KST -0.036826
  • 2019-01-10 21:55:40 KST 0.087824
  • 2018-12-27 19:40:04 KST 0.093493
  • 2018-12-15 19:20:44 KST 0.183953
  • 2018-12-15 19:06:10 KST 0.161857
  • 2018-12-15 19:03:48 KST 0.085748
  • 2018-11-07 15:27:23 KST 0.058435
  • 2018-10-29 21:05:34 KST 0.048458
  • 2018-08-27 02:07:31 KST 0.090643
  • Average 0.1049411

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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.