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/1FAIpQLSeiSefL-yZ7DIdTOywMcxTEX63s3uQirokaeBoKm0QWwNBgxQ/viewform server time check history

  • 2023-09-25 18:33:34 KST 0.140919
  • 2023-09-25 18:30:07 KST 0.002216
  • 2023-09-25 18:28:10 KST -0.074886
  • 2023-09-25 18:26:29 KST 0.141592
  • 2023-09-24 23:30:25 KST 0.021904
  • 2023-09-20 22:52:44 KST 0.009408
  • 2023-09-19 15:59:20 KST 0.086302
  • 2023-09-19 15:58:09 KST -0.052643
  • 2023-09-19 15:57:03 KST 0.118293
  • 2023-09-07 01:56:20 KST 0.071605
  • Average 0.046471

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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.