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

  • 2019-10-11 23:26:21 KST -0.016540
  • 2019-10-09 16:57:40 KST -0.049492
  • 2019-10-08 22:09:45 KST 0.020285
  • 2019-10-08 20:34:38 KST -0.100184
  • 2019-10-08 20:33:11 KST -0.028749
  • 2019-10-04 17:54:39 KST 0.022592
  • 2019-09-30 17:47:17 KST -0.056311
  • 2019-09-22 00:36:46 KST -0.020176
  • 2019-09-09 20:29:51 KST 0.003108
  • 2019-09-07 19:43:56 KST -0.036148
  • Average -0.0261615

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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.