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://ticket.yes24.com/Pages/Perf/Sale/PerfSaleProcess.aspx?IdPerf=35632 server time check history

  • 2019-12-26 16:58:00 KST -0.348749
  • 2019-12-26 16:31:09 KST -0.628440
  • 2019-12-07 00:40:49 KST -0.704307
  • 2019-12-06 00:56:25 KST -0.573244
  • 2019-12-06 00:36:34 KST -0.091209
  • 2019-12-06 00:21:46 KST -0.429187
  • 2019-12-06 00:13:42 KST -0.181726
  • 2019-12-06 00:12:31 KST -0.632319
  • 2019-12-05 23:45:31 KST -0.562555
  • 2019-12-05 23:30:30 KST -0.534262
  • Average -0.4685998

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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.