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://haksa1.hallym.ac.kr:9111/Onsukang/ server time check history

  • 2018-02-27 08:57:40 KST 1.730074
  • 2018-02-27 08:51:44 KST 6.915753
  • 2018-02-09 08:58:42 KST 0.257751
  • 2018-02-09 08:56:45 KST -0.932698
  • 2018-02-09 08:55:32 KST 0.312736
  • 2018-02-09 08:53:30 KST 0.290811
  • 2018-02-09 08:52:23 KST 0.248002
  • 2018-02-09 08:50:02 KST 0.309997
  • 2018-02-09 08:47:22 KST 0.265617
  • 2018-02-09 08:40:40 KST -0.535003
  • Average 0.886304

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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.