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/up10tion/jhHN server time check history

  • 2019-09-04 10:56:35 KST -0.013838
  • 2019-08-30 21:39:43 KST -0.046362
  • 2019-08-30 14:44:33 KST -0.069470
  • 2019-08-21 18:14:34 KST -0.028251
  • 2019-08-21 17:58:57 KST 0.008032
  • 2019-08-21 17:57:44 KST 0.005178
  • 2019-08-21 17:48:49 KST -0.052834
  • 2019-08-21 17:44:19 KST -0.026124
  • 2019-08-21 17:43:10 KST -0.009633
  • 2019-08-21 17:36:06 KST -0.018614
  • Average -0.0251916

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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.