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://m.etoos.com/home/? server time check history

  • 2020-09-23 07:00:07 KST 0.277294
  • 2020-03-23 21:49:46 KST -0.018218
  • 2020-02-13 22:08:51 KST -0.019928
  • 2019-12-13 17:02:49 KST -0.040262
  • 2019-12-11 22:58:15 KST -0.033383
  • 2019-12-06 22:55:16 KST -0.230920
  • 2019-12-06 22:35:57 KST -0.069214
  • 2019-12-06 22:26:33 KST 0.025284
  • 2019-12-06 21:41:59 KST -0.070085
  • 2019-06-25 15:23:23 KST -0.198674
  • Average -0.0378106

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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.