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://google.co.jp server time check history

  • 2018-04-17 06:53:32 KST -0.033911
  • 2018-04-10 09:01:24 KST -0.005472
  • 2018-04-06 18:15:44 KST 0.025589
  • 2018-04-03 03:23:54 KST -0.015190
  • 2018-04-02 22:33:34 KST -0.014888
  • 2018-03-30 09:46:46 KST 0.039337
  • 2018-03-30 07:47:03 KST -0.075349
  • 2018-03-23 20:04:28 KST -0.041541
  • 2018-03-22 03:11:39 KST -0.005130
  • 2018-03-19 16:32:01 KST -0.022633
  • Average -0.0149188

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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.