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

  • 2021-01-23 06:30:05 KST -0.121591
  • 2020-10-20 13:57:04 KST -0.968160
  • 2019-11-28 19:50:11 KST -0.176906
  • 2019-11-28 19:45:46 KST -0.806850
  • 2019-11-28 19:42:28 KST -0.672285
  • 2019-11-28 19:27:17 KST -0.565833
  • 2019-11-09 01:07:52 KST 0.052109
  • 2019-06-24 19:44:32 KST -0.077517
  • 2019-06-04 19:58:26 KST -0.764455
  • 2019-06-04 19:56:23 KST -1.188675
  • Average -0.5290163

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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.