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://champstudy.com server time check history

  • 2018-09-18 18:11:17 KST -0.064038
  • 2018-07-31 09:30:34 KST -0.001773
  • 2018-07-31 06:50:08 KST -0.097336
  • 2018-05-10 07:55:39 KST 0.122166
  • 2018-03-12 19:59:37 KST -0.307065
  • 2018-03-12 19:56:11 KST -0.077263
  • 2017-10-12 00:27:35 KST 0.001289
  • 2017-09-11 20:59:02 KST -0.013452
  • 2017-08-27 13:49:29 KST -0.045240
  • 2017-07-31 22:56:48 KST -0.079748
  • Average -0.056246

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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.