NKO Atomic Clock

Current time in milliseconds unit, dday remaining time calculator, elapsed time, stopwatch, server time checker

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우리말 English

http://sugang.skku.edu/skku/ server time check history

  • 2021-09-02 08:02:14 KST -0.007245
  • 2021-09-02 07:59:05 KST -0.017183
  • 2021-09-02 07:57:41 KST -0.076667
  • 2021-09-02 07:56:14 KST -0.006106
  • 2021-09-02 07:54:55 KST -0.017094
  • 2021-09-02 07:53:38 KST -0.079349
  • 2021-09-02 07:51:28 KST -0.064570
  • 2021-09-02 07:49:19 KST -0.036113
  • 2021-09-02 07:46:08 KST -0.002442
  • 2021-09-02 07:40:14 KST -0.003650
  • Average -0.0310419

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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.