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://nko.kr/?url=http://chonbukbugo.yschool.co.kr/m/ server time check history

  • 2019-03-26 00:11:21 KST 0.230799
  • 2018-11-11 22:51:13 KST -0.133713
  • 2018-10-26 10:29:42 KST 0.046233
  • 2018-10-11 11:59:52 KST 0.131648
  • 2018-08-22 20:44:59 KST 0.219602
  • 2018-08-16 04:19:24 KST -0.016777
  • 2018-08-03 06:37:09 KST 0.139726
  • 2018-07-25 04:47:32 KST 0.089656
  • 2018-06-24 01:02:29 KST 0.160901
  • 2018-06-23 23:11:34 KST 0.153700
  • Average 0.1021775

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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.