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://cafe.daum.net/ok1221 server time check history

  • 2018-07-11 21:58:03 KST -0.027834
  • 2018-07-10 21:57:42 KST -0.025894
  • 2018-07-08 20:58:41 KST -0.061593
  • 2018-06-16 17:59:27 KST -0.056171
  • 2018-06-16 17:56:19 KST -0.000621
  • 2018-06-15 10:11:33 KST -0.074143
  • 2018-04-20 04:05:01 KST 0.006776
  • 2018-04-06 18:19:57 KST -0.065891
  • 2018-03-29 14:03:41 KST -0.023443
  • 2018-03-08 12:57:24 KST -0.070345
  • Average -0.0399159

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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.