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://sugang.ajou.ac.kr server time check history

  • 2020-09-25 16:26:10 KST -0.015775
  • 2020-08-24 09:58:42 KST 0.000281
  • 2020-08-24 09:57:25 KST -0.000428
  • 2020-08-24 09:55:24 KST -0.060105
  • 2020-08-21 09:48:22 KST -0.050834
  • 2020-08-19 09:39:22 KST -0.070125
  • 2020-08-18 09:45:57 KST -0.116957
  • 2020-08-18 09:31:38 KST -0.042667
  • 2020-08-04 10:00:10 KST -0.039636
  • 2020-03-29 20:20:46 KST 0.003757
  • Average -0.0392489

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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.