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.co.kr server time check history

  • 2019-09-09 00:57:46 KST 0.018381
  • 2019-09-08 23:42:32 KST 0.006754
  • 2019-09-04 23:56:58 KST -0.009851
  • 2019-09-03 09:59:25 KST 0.010156
  • 2019-09-02 18:34:37 KST 0.002406
  • 2019-09-02 15:46:50 KST -0.074383
  • 2019-09-02 02:54:25 KST -0.042351
  • 2019-09-01 18:52:29 KST -0.011084
  • 2019-09-01 17:57:39 KST -0.030781
  • 2019-09-01 16:07:21 KST -0.005085
  • Average -0.0135838

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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.