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://sugang.cau.ac.kr server time check history

  • 2020-06-10 15:54:42 KST -0.015324
  • 2020-06-10 12:27:59 KST 0.008659
  • 2020-06-10 09:58:23 KST -0.021325
  • 2020-06-10 09:57:13 KST -0.096486
  • 2020-06-10 09:20:27 KST -0.092100
  • 2020-03-31 18:36:36 KST -8.485367
  • 2020-03-16 09:54:44 KST -4.146304
  • 2020-02-18 09:50:01 KST -1.400913
  • 2020-02-18 09:44:38 KST -1.602529
  • 2020-02-14 09:58:28 KST -1.676791
  • Average -1.752848

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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.