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://all.jbnu.ac.kr/jbnu/sugang/ server time check history

  • 2018-09-09 05:12:14 KST -0.031414
  • 2018-08-27 09:59:23 KST -0.042712
  • 2018-08-27 09:50:40 KST -0.032239
  • 2018-08-10 07:34:31 KST 0.009218
  • 2018-08-09 22:56:18 KST -0.051462
  • 2018-08-07 13:58:56 KST -0.074334
  • 2018-08-07 13:50:44 KST -0.029658
  • 2018-08-07 13:19:05 KST -0.060814
  • 2018-08-07 08:00:18 KST -0.020070
  • 2018-08-07 07:58:24 KST -0.006607
  • Average -0.0340092

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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.