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

  • 2018-08-27 02:07:31 KST 0.090643
  • 2018-08-12 00:08:30 KST 0.190892
  • 2018-07-30 12:33:35 KST 0.260671
  • 2018-07-20 14:17:22 KST 0.201655
  • 2018-07-14 05:49:59 KST 0.178524
  • 2018-07-13 05:29:29 KST 0.067765
  • 2018-07-06 04:34:51 KST 0.126383
  • 2018-07-05 17:52:30 KST -0.009587
  • 2018-06-24 03:47:27 KST -0.016920
  • 2018-06-22 01:27:56 KST 0.150999
  • Average 0.1241025

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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.