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://docs.google.com server time check history

  • 2023-01-23 02:00:05 KST -0.038802
  • 2023-01-20 16:56:40 KST 0.008806
  • 2023-01-20 16:54:45 KST 0.007423
  • 2023-01-10 19:56:38 KST -0.032179
  • 2023-01-04 22:03:14 KST -0.023495
  • 2023-01-04 21:39:33 KST 0.014269
  • 2023-01-04 21:37:51 KST -0.038742
  • 2022-12-26 02:21:52 KST -0.003339
  • 2022-12-22 18:57:59 KST -0.024811
  • 2022-12-22 18:31:52 KST -0.010366
  • Average -0.0141236

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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.