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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http://nko.kr:80 server time check history

  • 2021-06-09 09:56:43 KST 0.060237
  • 2021-05-26 23:37:04 KST 0.204009
  • 2021-05-22 19:56:35 KST 0.002413
  • 2021-05-21 08:32:06 KST 0.044097
  • 2021-05-17 03:08:34 KST 0.157530
  • 2021-05-14 02:15:13 KST 0.166457
  • 2021-04-16 17:04:57 KST 0.003826
  • 2021-04-14 11:46:51 KST 0.136203
  • 2021-04-09 09:02:44 KST 0.095705
  • 2021-03-17 15:11:19 KST 0.029585
  • Average 0.0900062

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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.