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 server time check history

  • 2019-06-25 08:26:52 KST -0.024997
  • 2018-04-17 03:00:42 KST -0.048838
  • 2018-04-14 22:41:01 KST -0.281433
  • 2018-04-03 02:56:17 KST -0.035541
  • 2018-03-28 06:12:56 KST -0.064915
  • 2018-03-20 18:48:09 KST -0.075507
  • 2018-03-08 13:58:39 KST -0.062515
  • 2018-02-28 13:55:20 KST -0.022547
  • 2018-02-27 10:02:11 KST -0.410040
  • 2018-01-20 16:06:48 KST -0.062372
  • Average -0.1088705

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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.