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/1FAIpQLScV97YWZRMhd_sa0FeueJUwu099xw3ReR6pABjJ7MwHRb9Z_Q/closedform server time check history

  • 2023-11-18 15:50:32 KST 0.072790
  • 2023-11-18 15:24:51 KST 0.076230
  • 2023-10-06 19:28:57 KST -0.002508
  • 2023-10-06 19:02:12 KST 0.041368
  • 2023-09-11 16:36:24 KST 0.073426
  • 2023-09-11 12:41:42 KST 0.021508
  • 2023-09-08 13:11:12 KST 0.070602
  • 2023-09-08 05:03:49 KST -0.112596
  • 2023-09-07 22:17:23 KST 0.095814
  • 2023-09-07 21:59:53 KST 0.091032
  • Average 0.0427666

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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.