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://jjrss.com server time check history

  • 2023-09-18 15:20:40 KST -0.322940
  • 2023-08-12 09:42:08 KST -0.233065
  • 2023-08-12 06:55:05 KST -0.829825
  • 2023-07-14 20:39:28 KST -0.348608
  • 2017-11-22 22:58:44 KST -2.412016
  • 2017-03-03 16:58:37 KST -0.775110
  • 2016-11-28 22:58:59 KST -4.804101
  • 2016-11-07 16:48:23 KST -3.365022
  • 2016-10-28 22:58:02 KST -4.060418
  • 2016-10-27 18:53:44 KST -3.750264
  • Average -2.0901369

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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.