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://haksa1.hallym.ac.kr:9111/Onsukang/ server time check history

  • 2017-08-11 09:28:13 KST 3.205070
  • 2017-08-11 08:26:30 KST -17.909297
  • 2017-08-11 08:22:08 KST -17.920143
  • 2017-08-10 08:57:38 KST 0.172908
  • 2017-08-10 08:56:33 KST 0.177336
  • 2017-08-10 08:51:31 KST 0.136552
  • 2017-08-10 08:20:14 KST -16.416764
  • 2017-08-10 00:22:17 KST -8.704955
  • 2017-08-10 00:20:57 KST -15.629364
  • 2017-08-10 00:13:04 KST -8.632562
  • Average -8.1521219

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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.