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://udrims.dongguk.edu/sugang/main.jsp server time check history

  • 2019-11-06 16:45:22 KST -3.163501
  • 2019-08-28 16:15:20 KST -2.473819
  • 2019-04-28 12:12:21 KST -2.083204
  • 2019-03-06 08:30:01 KST 6.903822
  • 2019-03-06 08:28:18 KST 11.297759
  • 2019-02-26 16:51:52 KST -1.647041
  • 2019-02-26 16:40:16 KST -1.597684
  • 2019-02-12 09:32:15 KST -1549931550.876400
  • 2019-02-12 08:46:50 KST -1.455457
  • Average -172214616.12172

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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.