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=https://ticket.yes24.com/Pages/Login/LoginEnt.aspx?ReturnURL=http://ticket.yes24.com/Pages/Perf/Sale/PerfSaleProcess.aspx server time check history

  • 2020-03-16 06:40:57 KST 0.013932
  • 2020-03-13 21:17:06 KST -0.021673
  • 2020-03-12 22:39:09 KST 0.235634
  • 2020-03-09 09:02:42 KST 0.011753
  • 2020-03-05 17:58:30 KST 0.251722
  • 2020-03-05 17:51:18 KST 0.238285
  • 2020-03-04 08:46:17 KST 0.183252
  • 2020-02-21 15:12:31 KST 0.037673
  • 2020-02-17 01:21:27 KST 0.029994
  • 2020-02-15 00:07:04 KST 0.070923
  • Average 0.1051495

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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.