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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우리말 English

https://form.office.naver.com/form/responseViewMobile.cmd?formkey=MGYzNjk4NGUtOGMxZi00MTk2LTg5NTAtNWZkNDc0MjRiNGVj server time check history

  • 2018-05-14 17:24:26 KST -0.073135
  • 2018-05-14 15:43:43 KST -0.153803
  • 2018-05-10 04:34:39 KST -0.090447
  • 2018-05-08 07:37:44 KST -0.127618
  • 2018-05-05 07:51:33 KST -0.136234
  • 2018-05-01 05:45:10 KST -0.094704
  • 2018-04-28 22:51:21 KST -0.080746
  • 2018-04-14 19:22:11 KST -0.045811
  • 2018-04-13 16:43:15 KST -0.001990
  • 2018-04-06 19:18:23 KST -0.035385
  • Average -0.0839873

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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.