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/Detail/DetailSpecial.aspx server time check history

  • 2019-06-11 19:45:25 KST -0.260647
  • 2019-06-04 18:25:42 KST -0.534606
  • 2019-04-17 14:41:31 KST -0.850905
  • 2019-04-17 14:34:04 KST -0.565375
  • 2019-04-15 19:58:04 KST -0.170696
  • 2019-04-15 19:55:12 KST -0.295255
  • 2019-04-15 19:37:27 KST -0.362906
  • 2019-04-15 19:30:54 KST -0.534954
  • 2019-04-10 09:59:21 KST -1.239361
  • 2019-04-10 09:15:59 KST -0.377249
  • Average -0.5191954

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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.