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=https://ticket.yes24.com/Pages/Login/LoginEnt.aspx?ReturnURL=http://ticket.yes24.com/Pages/Perf/Sale/PerfSaleProcess.aspx server time check history

  • 2018-10-08 19:37:53 KST 0.122193
  • 2018-09-30 23:49:09 KST 0.060104
  • 2018-09-28 22:35:57 KST 0.123821
  • 2018-09-24 15:30:41 KST 0.105582
  • 2018-09-22 09:04:09 KST 0.104518
  • 2018-09-20 16:59:42 KST 0.069542
  • 2018-09-20 14:19:03 KST 0.103034
  • 2018-09-20 04:18:49 KST 0.058982
  • 2018-09-17 17:58:32 KST 0.247857
  • 2018-09-08 01:43:41 KST 0.196775
  • Average 0.1192408

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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.