NKO Atomic Clock

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


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우리말 English

https://sugang.pknu.ac.kr/ server time check history

  • 2026-11-07 01:43:10 KST -0.050225
  • 2026-10-20 16:58:16 KST -0.012072
  • 2026-10-15 06:25:35 KST -0.017008
  • 2026-10-14 19:40:30 KST 0.014066
  • 2026-10-07 16:38:40 KST -0.048545
  • 2026-09-25 20:06:55 KST -0.011094
  • 2026-09-16 06:39:33 KST -0.011631
  • 2026-09-07 11:04:59 KST -0.022838
  • 2026-09-07 10:37:03 KST -0.207767
  • 2026-06-04 05:58:03 KST -0.199546
  • Average -0.056666

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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.