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://sugang.bufs.ac.kr/ server time check history

  • 2019-03-08 08:44:54 KST 5.507338
  • 2019-03-07 08:58:57 KST -0.089468
  • 2019-03-06 19:26:55 KST 4.074832
  • 2019-03-06 08:47:04 KST 3.352569
  • 2019-03-06 08:43:27 KST 2.865416
  • 2019-02-22 08:58:21 KST 5.764933
  • 2019-02-22 08:57:00 KST 6.253186
  • 2019-02-22 08:55:47 KST 9.599531
  • 2019-02-22 08:51:31 KST 5.560558
  • 2019-02-22 08:46:26 KST 6.222290
  • Average 4.9111185

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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.