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://www.catholic.ac.kr server time check history

  • 2020-01-14 20:56:16 KST -74.822677
  • 2019-02-25 08:23:13 KST -9.833443
  • 2019-02-19 08:44:48 KST -7.853316
  • 2017-02-09 08:40:08 KST 674.288053
  • 2017-02-07 08:49:12 KST 672.431817
  • 2017-02-07 08:43:54 KST 672.454553
  • 2016-08-07 16:54:58 KST 506.377567
  • 2016-08-04 08:45:47 KST 503.122451
  • 2016-08-04 08:41:33 KST 503.288679
  • 2016-08-04 08:11:05 KST 503.247621
  • Average 394.2701305

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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.