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://ticket.yes24.com/Pages/Perf/Detail/DetailSpecial.aspx?IdPerf=32646 server time check history

  • 2019-12-01 21:27:49 KST -0.584440
  • 2019-02-21 11:58:34 KST -0.122025
  • 2019-02-21 11:57:22 KST -0.646981
  • 2019-02-21 11:56:14 KST -0.419189
  • 2019-02-21 11:53:33 KST -0.868920
  • 2019-02-21 11:51:11 KST -0.144328
  • 2019-02-21 11:38:59 KST -0.074799
  • 2019-02-20 12:00:00 KST -0.502780
  • 2019-02-20 11:58:05 KST -0.389141
  • 2019-02-20 11:56:55 KST -0.712103
  • Average -0.4464706

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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.