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://sugang.cau.ac.kr server time check history

  • 2018-05-23 09:55:12 KST 0.006232
  • 2018-02-13 09:59:19 KST -0.033978
  • 2018-02-13 09:58:01 KST -0.018241
  • 2018-02-13 09:47:57 KST -0.027201
  • 2018-02-13 09:35:34 KST -0.009083
  • 2018-02-13 09:28:25 KST -0.006094
  • 2018-02-12 14:18:47 KST -0.073994
  • 2018-02-12 09:59:01 KST -0.039698
  • 2018-02-12 09:55:47 KST -0.009446
  • 2018-02-12 09:51:37 KST -0.074191
  • Average -0.0285694

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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.