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/Detail/DetailSpecial.aspx?IdPerf=30263 server time check history

  • 2018-07-12 22:44:06 KST -0.870854
  • 2018-07-12 19:59:11 KST -1.024319
  • 2018-07-12 19:57:27 KST -0.728137
  • 2018-07-12 19:55:25 KST -0.631400
  • 2018-07-12 19:53:59 KST -0.586311
  • 2018-07-12 19:52:38 KST -0.345006
  • 2018-07-12 19:51:35 KST -0.908244
  • 2018-07-12 19:44:51 KST -0.122050
  • 2018-07-12 19:42:32 KST -0.087582
  • 2018-07-12 19:39:56 KST -0.707580
  • Average -0.6011483

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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.