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://theqoo.net server time check history

  • 2022-05-22 23:54:55 KST -0.050164
  • 2022-05-21 23:56:45 KST -0.007734
  • 2022-05-20 23:58:50 KST -0.020101
  • 2022-05-20 23:57:08 KST -0.049144
  • 2022-05-19 23:58:17 KST -0.010079
  • 2022-05-18 23:56:45 KST 0.002015
  • 2022-05-17 23:56:14 KST -0.032318
  • 2022-05-16 23:53:59 KST -0.053920
  • 2022-05-15 23:57:07 KST -0.045534
  • 2022-05-15 01:09:28 KST -0.046959
  • Average -0.0313938

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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.