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://tmon.kr server time check history

  • 2017-08-10 10:08:13 KST -0.012437
  • 2017-08-10 09:57:22 KST -0.216705
  • 2017-05-18 11:55:55 KST 3.577541
  • 2017-05-17 23:53:37 KST 3.477434
  • 2017-05-16 23:56:34 KST 3.513770
  • 2017-05-16 11:55:57 KST 3.549886
  • 2017-05-15 23:53:46 KST 3.530061
  • 2017-05-15 11:56:14 KST 3.553432
  • 2017-05-15 11:54:54 KST 3.470445
  • 2017-05-14 23:58:58 KST 3.493930
  • Average 2.7937357

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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.