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://cafe.daum.net/ok1221 server time check history

  • 2019-05-22 22:55:59 KST -0.045027
  • 2019-05-22 21:57:01 KST -0.047191
  • 2019-05-19 23:29:15 KST -0.015842
  • 2019-05-16 22:28:09 KST -0.022254
  • 2019-05-16 21:57:28 KST -0.061369
  • 2019-05-14 21:57:48 KST -0.070248
  • 2019-05-14 21:56:45 KST -0.072327
  • 2019-05-11 22:39:18 KST -0.080726
  • 2019-05-08 22:29:04 KST -0.031425
  • 2019-05-08 22:26:47 KST -0.002585
  • Average -0.0448994

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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.