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

  • 2020-01-16 00:23:36 KST 0.362174
  • 2020-01-10 19:24:22 KST 0.013389
  • 2019-12-30 05:54:45 KST 0.025115
  • 2019-12-21 10:32:35 KST 0.164690
  • 2019-12-19 12:30:42 KST 0.060624
  • 2019-12-16 02:32:15 KST 0.088879
  • 2019-11-29 23:51:44 KST -0.009007
  • 2019-11-29 03:59:40 KST -0.079016
  • 2019-11-29 03:11:42 KST -0.025013
  • 2019-11-21 03:40:35 KST 0.082256
  • Average 0.0684091

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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.