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.knu.ac.kr/ server time check history

  • 2026-11-06 19:28:47 KST -0.079973
  • 2026-10-21 13:30:51 KST -0.264269
  • 2026-10-21 07:43:21 KST -0.001869
  • 2026-10-21 06:27:11 KST -0.111346
  • 2026-08-12 04:40:03 KST 0.006906
  • 2026-06-03 02:19:57 KST -0.045776
  • 2026-05-21 11:34:49 KST -0.214922
  • 2026-03-28 02:57:36 KST -0.055956
  • 2026-03-11 17:22:38 KST -0.030980
  • 2026-03-03 12:46:26 KST -0.323253
  • Average -0.1121438

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Popular checks

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.

Information

# 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.