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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https://iis.kpu.ac.kr/nx/ server time check history

  • 2020-01-08 21:20:07 KST -0.016210
  • 2019-09-12 01:08:47 KST -0.018587
  • 2019-09-11 23:58:36 KST -0.017541
  • 2019-09-11 23:46:28 KST -0.056602
  • 2019-07-16 13:58:44 KST 0.042467
  • 2019-07-16 13:55:45 KST -0.069507
  • 2019-06-25 19:01:12 KST -0.069392
  • 2019-02-28 14:59:15 KST 0.001189
  • 2019-02-28 14:58:08 KST -0.060975
  • 2019-02-28 14:52:37 KST -0.063521
  • Average -0.0328679

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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.