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://cnuis.cnu.ac.kr/MDIMain.html server time check history

  • 2019-05-22 09:26:37 KST -0.202779
  • 2019-05-14 09:27:40 KST -0.790359
  • 2019-05-14 09:25:22 KST -0.666735
  • 2019-05-14 09:23:19 KST -0.812081
  • 2019-05-14 09:22:01 KST -0.798098
  • 2019-03-07 09:59:01 KST -0.114416
  • 2019-03-06 13:53:42 KST -0.169304
  • 2019-03-06 13:48:20 KST -0.246951
  • 2019-03-06 13:46:08 KST -0.148051
  • 2019-03-04 08:57:20 KST -0.027028
  • Average -0.3975802

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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.