NKO Atomic Clock

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


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http://sugang.hongik.ac.kr/cn1000.jsp server time check history

  • 2026-05-28 11:54:54 KST -0.035004
  • 2026-05-13 13:07:11 KST -0.062032
  • 2026-05-05 05:16:18 KST -0.022990
  • 2026-04-27 13:12:41 KST -0.074089
  • 2026-04-18 22:11:01 KST -0.052574
  • 2026-04-18 19:19:09 KST -0.041426
  • 2026-03-15 05:28:51 KST -0.435335
  • 2026-03-07 01:09:21 KST -0.066089
  • 2026-03-07 00:23:08 KST -0.053382
  • 2026-03-06 17:30:54 KST -0.023736
  • Average -0.0866657

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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.

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.