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://sugang.cju.ac.kr/common/login.do server time check history

  • 2021-02-24 09:42:16 KST -0.029855
  • 2021-02-23 10:17:41 KST 0.011387
  • 2021-02-23 09:54:23 KST -0.046117
  • 2021-02-23 09:53:15 KST -0.056538
  • 2021-02-22 09:41:46 KST -0.013708
  • 2021-02-22 09:40:01 KST 0.017959
  • 2021-02-22 09:38:49 KST 0.017224
  • 2021-02-22 09:10:33 KST -0.043568
  • 2020-04-19 01:23:45 KST 0.005731
  • 2020-03-20 15:58:02 KST -0.040901
  • Average -0.0178386

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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.