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=28603 server time check history

  • 2019-12-02 21:55:23 KST 0.034688
  • 2018-11-02 18:11:10 KST -0.648473
  • 2018-05-17 12:21:26 KST -0.400530
  • 2018-05-03 01:46:31 KST -0.152869
  • 2018-05-02 20:33:28 KST -0.419038
  • 2018-04-27 06:41:46 KST -0.363099
  • 2018-04-23 04:38:46 KST -0.561865
  • 2018-04-20 17:59:14 KST -0.472231
  • 2018-03-30 10:07:13 KST -0.670185
  • 2018-03-21 19:22:58 KST -0.506827
  • Average -0.4160429

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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.