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://docs.google.com/forms/d/e/1FAIpQLScBYN3dj2-g3EL_NGRUpNxAnlfwtfOtu7zlJXoIkwty7sohhQ/viewform server time check history

  • 2022-08-06 16:57:07 KST 0.092570
  • 2022-08-06 16:56:00 KST 0.103607
  • 2022-08-06 16:54:46 KST -0.000211
  • 2022-08-06 16:49:54 KST -0.001217
  • 2022-08-06 12:30:43 KST 0.140697
  • 2022-08-06 12:29:21 KST 0.037262
  • 2022-08-06 12:26:54 KST 0.075163
  • Average 0.063981571428571

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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.