NKO Atomic Clock

Current time in milliseconds unit, dday remaining time calculator, elapsed time, stopwatch, server time checker

☞ Install NKO Atomic Clock(Android app) at Google Playstore
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우리말 English

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

  • 2019-06-01 18:49:12 KST -0.023261
  • 2019-05-09 18:08:36 KST 0.057172
  • 2019-05-09 17:44:01 KST 0.004298
  • 2019-05-09 15:12:46 KST 0.039999
  • 2019-05-03 18:25:12 KST 0.034273
  • 2019-04-14 13:58:56 KST 0.024570
  • 2019-04-14 13:57:15 KST 0.027864
  • 2019-04-14 13:55:38 KST 0.093054
  • 2019-04-14 13:54:22 KST 0.032723
  • 2019-04-14 13:53:16 KST 0.038336
  • Average 0.0329028

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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.