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.jejuair.net/jejuair/kr/main.do server time check history

  • 2018-10-17 02:41:05 KST 6.770968
  • 2018-07-25 09:57:12 KST -0.044024
  • 2018-07-25 09:54:10 KST -0.034181
  • 2018-05-10 22:38:18 KST -0.030479
  • 2018-05-06 22:14:51 KST -0.049799
  • 2018-04-30 22:59:09 KST -0.051952
  • 2018-04-30 14:55:52 KST -0.010283
  • 2018-04-17 04:40:58 KST -0.046495
  • 2018-04-12 18:47:01 KST -0.079858
  • 2018-04-05 09:17:51 KST -0.081454
  • Average 0.6342443

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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.