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/Detail/Detail.aspx?IdPerf=21754 server time check history

  • 2019-12-02 14:59:48 KST 0.090317
  • 2019-11-22 19:38:45 KST 0.016842
  • 2019-11-13 10:31:52 KST 0.108453
  • 2019-10-11 14:35:55 KST 0.041473
  • 2019-10-11 05:32:23 KST -0.042698
  • 2019-10-02 15:47:27 KST 0.121038
  • 2019-09-19 01:15:37 KST 0.146620
  • 2019-09-10 21:27:06 KST 0.110708
  • 2019-09-10 11:33:57 KST 0.046862
  • 2019-09-09 05:46:30 KST 0.157907
  • Average 0.0797522

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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.