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

  • 2019-04-16 18:54:28 KST 0.006049
  • 2019-04-14 13:28:50 KST -0.012321
  • 2019-04-14 00:16:36 KST -0.037083
  • 2019-04-13 17:59:01 KST 0.030448
  • 2019-04-13 17:57:44 KST 0.034760
  • 2019-04-13 17:37:43 KST 0.122419
  • 2019-04-06 16:59:51 KST -0.027086
  • 2019-04-06 16:58:46 KST -0.098468
  • 2019-04-06 16:57:33 KST -0.069334
  • 2019-04-06 16:56:03 KST -0.035834
  • Average -0.008645

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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.