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

  • 2019-06-11 20:08:08 KST 0.240215
  • 2019-05-25 15:21:12 KST 0.199462
  • 2019-05-11 21:48:38 KST 0.195861
  • 2019-04-26 19:10:39 KST 0.196350
  • 2019-04-15 15:35:13 KST 0.126652
  • 2019-04-11 03:23:19 KST 0.149072
  • 2019-04-09 00:37:39 KST 0.131546
  • 2019-04-03 13:11:51 KST 0.089486
  • 2019-04-02 23:11:00 KST 0.213910
  • 2019-03-25 21:49:43 KST -0.158520
  • Average 0.1384034

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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.