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

  • 2019-02-15 09:48:14 KST -0.092638
  • 2019-02-15 09:41:07 KST -0.135446
  • 2019-02-12 09:39:00 KST -0.145491
  • 2016-08-21 21:46:55 KST -0.062666
  • 2016-08-17 10:10:25 KST -0.119226
  • 2016-08-17 09:54:40 KST -0.061379
  • 2016-08-17 09:21:08 KST -0.047274
  • 2016-08-16 09:32:57 KST -0.092091
  • 2016-02-19 09:50:59 KST -0.154266
  • 2016-01-27 16:24:57 KST -0.063255
  • Average -0.0973732

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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.