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://cafe.daum.net/fromis9/USsy server time check history

  • 2020-05-03 11:19:23 KST -0.008830
  • 2019-10-17 15:59:49 KST -0.009002
  • 2019-10-17 15:58:28 KST -0.037766
  • 2019-10-17 15:57:24 KST -0.010997
  • 2019-10-17 15:56:14 KST 0.006008
  • 2019-10-17 15:53:12 KST -0.058082
  • 2019-10-17 15:50:27 KST -0.024085
  • 2019-10-17 15:47:01 KST -0.018939
  • 2019-10-17 15:43:25 KST -0.041537
  • 2019-10-17 15:36:31 KST -0.012737
  • Average -0.0215967

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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.