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://www.safetyweeks.tk server time check history

  • 2021-04-10 09:45:59 KST 0.182656
  • 2021-04-06 10:21:04 KST 0.216677
  • 2021-04-02 07:26:58 KST 0.151832
  • 2021-03-30 00:13:47 KST 0.241362
  • 2021-03-26 16:35:55 KST 0.187588
  • 2021-03-16 03:42:57 KST 0.283615
  • 2021-03-12 20:23:26 KST 0.187744
  • 2021-03-09 13:38:42 KST 0.129948
  • 2021-03-06 03:05:12 KST 0.201754
  • 2021-02-28 08:36:36 KST 0.262613
  • Average 0.2045789

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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.