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://www.q-net.or.kr/man001.do?gSite=Q server time check history

  • 2020-01-14 09:57:14 KST 0.039065
  • 2020-01-09 11:14:44 KST -0.059640
  • 2020-01-09 10:00:02 KST -0.101261
  • 2020-01-09 09:52:30 KST -0.072699
  • 2020-01-09 09:42:57 KST -0.034067
  • 2020-01-09 09:00:04 KST -0.046234
  • 2020-01-09 08:44:40 KST -0.011592
  • 2019-12-27 08:50:15 KST -0.050757
  • 2019-11-22 08:54:46 KST -0.054949
  • 2019-11-07 09:50:22 KST -0.036216
  • Average -0.042835

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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.