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://portal.hanyang.ac.kr/sugang/sulg.do server time check history

  • 2018-09-11 21:58:21 KST 0.004516
  • 2018-09-06 16:58:39 KST -0.051099
  • 2018-09-06 16:57:23 KST -0.009490
  • 2018-09-06 16:55:33 KST -0.017710
  • 2018-09-06 16:54:23 KST -0.031309
  • 2018-09-06 16:52:44 KST -0.054371
  • 2018-09-06 16:51:15 KST -0.046883
  • 2018-09-06 16:48:33 KST 0.008641
  • 2018-09-06 16:47:09 KST -0.051613
  • 2018-09-06 16:45:53 KST -0.028460
  • Average -0.0277778

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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.