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.ulsan.ac.kr/COMM/GUIDE.aspx?MenuID=GUIDE!1 server time check history

  • 2023-09-18 19:57:18 KST -0.276015
  • 2023-08-12 03:03:41 KST -0.116705
  • 2023-08-11 20:47:44 KST 0.028157
  • 2023-08-09 09:56:44 KST -0.107227
  • 2023-08-09 09:53:27 KST -0.814435
  • 2023-08-08 09:47:46 KST -0.378099
  • 2023-08-07 13:58:33 KST -0.255462
  • 2023-08-07 13:55:41 KST -0.478126
  • 2023-08-07 13:47:08 KST -0.704362
  • 2023-08-07 09:59:03 KST -0.882977
  • Average -0.3985251

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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.