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.com server time check history

  • 2018-09-20 19:59:11 KST -0.013775
  • 2018-09-16 17:26:58 KST -0.007288
  • 2018-09-12 21:59:53 KST -0.018174
  • 2018-09-12 21:57:59 KST 0.083035
  • 2018-09-05 17:26:34 KST -0.018848
  • 2018-09-05 17:17:29 KST -0.023644
  • 2018-09-05 17:15:45 KST -0.031023
  • 2018-09-04 22:18:11 KST 0.017818
  • 2018-09-04 22:17:07 KST -0.066911
  • 2018-09-04 21:28:35 KST -0.043723
  • Average -0.0122533

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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.