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.cjsisul.or.kr/home/main.do server time check history

  • 2019-03-19 06:56:39 KST 0.058275
  • 2019-03-18 06:56:21 KST 0.665288
  • 2019-03-17 06:56:27 KST 0.031691
  • 2019-03-16 06:54:07 KST -0.853840
  • 2019-03-15 06:56:52 KST 0.242554
  • 2019-03-12 06:56:58 KST -0.281632
  • 2019-03-11 06:56:15 KST -0.854551
  • 2019-03-10 06:55:44 KST -0.142136
  • 2019-03-09 06:56:49 KST 0.405035
  • 2019-03-08 06:56:56 KST -0.255634
  • Average -0.098495

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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.