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

  • 2018-08-26 12:00:08 KST 11.380650
  • 2018-08-25 23:29:37 KST 7.293451
  • 2018-08-24 16:36:25 KST 5.408695
  • 2018-08-24 08:53:13 KST 8.706418
  • 2018-08-24 08:46:51 KST 8.788152
  • 2018-08-24 08:41:50 KST 5.607750
  • 2018-08-22 08:59:21 KST 2.690071
  • 2018-08-22 08:55:23 KST 3.504134
  • 2018-08-20 08:59:02 KST 1.278139
  • 2018-08-20 08:47:01 KST 2.086700
  • Average 5.674416

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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.