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/Sale/PerfSaleProcess.aspx?IdPerf=30112 server time check history

  • 2019-03-25 21:49:43 KST -0.158520
  • 2019-01-30 00:40:05 KST 0.084405
  • 2019-01-16 14:01:39 KST 0.037742
  • 2019-01-13 01:07:27 KST 0.065765
  • 2019-01-11 19:31:57 KST 0.189086
  • 2019-01-11 16:14:10 KST 0.075969
  • 2019-01-11 04:31:07 KST 0.082192
  • 2019-01-11 04:24:49 KST 0.001378
  • 2019-01-11 04:22:02 KST 0.198495
  • 2019-01-10 23:58:16 KST 0.103867
  • Average 0.0680379

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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.