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/WannaOneOfficial server time check history

  • 2018-08-18 12:18:00 KST -0.036504
  • 2018-08-08 19:58:03 KST -0.009870
  • 2018-08-08 17:27:14 KST 0.000906
  • 2018-08-03 19:58:18 KST -0.033616
  • 2018-08-01 18:42:24 KST -0.070947
  • 2018-07-31 13:49:07 KST -0.057811
  • 2018-07-27 20:44:46 KST -0.059762
  • 2018-07-26 20:50:30 KST -0.027487
  • 2018-07-24 11:57:19 KST 0.000554
  • 2018-07-22 23:55:54 KST -0.037330
  • Average -0.0331867

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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.