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://all.jbnu.ac.kr/jbnu/sugang/ server time check history

  • 2020-11-04 07:55:11 KST -0.057687
  • 2020-11-04 07:49:31 KST -0.057769
  • 2020-08-13 16:23:33 KST -0.032139
  • 2020-08-12 07:59:07 KST -0.044067
  • 2020-08-12 07:57:48 KST -0.050561
  • 2020-08-06 13:57:46 KST -0.040947
  • 2020-08-06 13:56:22 KST -0.067182
  • 2020-08-06 13:29:51 KST -0.074483
  • 2020-08-06 07:59:40 KST -0.053419
  • 2020-08-06 07:58:31 KST -0.066133
  • Average -0.0544387

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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.