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.11st.co.kr/html/nc/SellerProduct2210480173.html server time check history

  • 2020-04-21 18:43:17 KST -0.064641
  • 2020-01-14 06:32:55 KST -0.022656
  • 2020-01-01 07:47:01 KST 0.009883
  • 2019-09-23 08:15:39 KST -0.007924
  • 2018-11-04 10:55:33 KST -0.067966
  • 2018-11-02 20:51:32 KST -0.069844
  • 2018-11-01 23:58:57 KST -0.064900
  • 2018-11-01 23:56:57 KST -0.018418
  • 2018-11-01 23:48:58 KST -0.061293
  • Average -0.040862111111111

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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.