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

  • 2018-12-12 13:52:40 KST 0.009597
  • 2018-12-04 08:59:24 KST -0.008896
  • 2018-12-04 08:58:16 KST -0.006441
  • 2018-12-04 08:55:12 KST -0.063283
  • 2018-12-04 08:51:54 KST -0.004768
  • 2018-12-04 08:49:15 KST -0.027440
  • 2018-12-04 08:39:41 KST -0.044061
  • 2018-10-29 17:22:56 KST -0.028954
  • 2018-10-24 04:10:44 KST -0.001969
  • 2018-09-04 17:55:30 KST -0.029846
  • Average -0.0206061

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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.