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/ server time check history

  • 2019-10-10 21:55:38 KST -0.051830
  • 2019-09-15 23:58:58 KST -0.043454
  • 2019-08-17 22:23:27 KST -0.016186
  • 2019-08-17 17:49:59 KST -0.024079
  • 2019-08-16 21:12:55 KST -0.067105
  • 2019-08-09 18:02:29 KST -0.011353
  • 2019-08-09 17:19:47 KST -0.068669
  • 2019-08-09 17:13:03 KST -0.054706
  • 2019-07-13 21:32:42 KST -0.015605
  • 2019-07-13 21:23:20 KST -0.014892
  • Average -0.0367879

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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.