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://go3.etoos.com/teacher/event/2017/02/swc_22 server time check history

  • 2018-09-08 06:10:17 KST -0.622508
  • 2018-08-13 23:03:27 KST -0.460146
  • 2018-08-13 02:01:48 KST -0.158326
  • 2017-10-23 08:42:58 KST -0.874381
  • 2017-10-18 20:25:45 KST -0.422018
  • 2017-10-12 13:58:11 KST -0.053175
  • 2017-10-06 20:27:56 KST -0.586037
  • 2017-09-18 01:25:40 KST -0.713569
  • 2017-02-27 22:11:30 KST -0.663306
  • Average -0.50594066666667

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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.