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.ewha.ac.kr server time check history

  • 2021-06-02 10:30:28 KST -0.045894
  • 2021-05-27 14:29:09 KST -0.080936
  • 2021-05-25 08:55:58 KST 0.006836
  • 2021-03-10 21:01:06 KST -0.068334
  • 2021-03-09 13:09:24 KST -0.028933
  • 2021-03-09 12:46:54 KST 0.009137
  • 2021-03-08 21:59:31 KST -0.016221
  • 2021-03-08 13:54:28 KST -0.023050
  • 2021-03-08 13:46:09 KST 0.006231
  • 2021-03-08 13:26:51 KST 0.001073
  • Average -0.0240091

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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.