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.hongik.ac.kr/cn1000.jsp?p_contm=86716496 server time check history

  • 2018-05-05 11:39:53 KST 3.279820
  • 2018-05-01 14:09:35 KST -0.018565
  • 2018-04-29 01:48:38 KST -0.031680
  • 2018-04-25 04:54:22 KST -0.034611
  • 2018-04-17 06:16:44 KST 15.943610
  • 2018-04-07 03:37:45 KST 0.009737
  • 2018-03-30 00:46:25 KST 4.121027
  • 2018-03-16 01:28:55 KST 1.474882
  • 2018-03-08 08:33:31 KST 0.179751
  • 2018-02-25 11:05:43 KST -0.042361
  • Average 2.488161

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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.