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://www.cjsisul.or.kr/home/main.do server time check history

  • 2023-01-24 19:11:38 KST -0.035383
  • 2023-01-15 21:58:03 KST -0.045256
  • 2023-01-02 02:14:17 KST -0.027344
  • 2022-12-25 20:58:09 KST -0.075663
  • 2022-12-23 14:35:16 KST -0.003111
  • 2022-12-20 08:07:59 KST -0.053020
  • 2022-12-20 07:47:08 KST -0.048854
  • 2022-12-19 02:28:32 KST -0.058257
  • 2022-12-17 03:12:58 KST -0.051171
  • 2022-12-14 20:45:57 KST -0.005963
  • Average -0.0404022

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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.