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.KOREA.AC.KR server time check history

  • 2020-03-24 18:19:06 KST -0.033349
  • 2020-03-24 18:15:27 KST -0.062021
  • 2020-02-18 13:52:25 KST -0.042025
  • 2019-12-04 20:51:25 KST -0.088821
  • 2019-05-18 19:27:41 KST -0.004112
  • 2018-11-03 14:53:16 KST 0.013669
  • 2018-07-27 13:06:34 KST -42.908442
  • 2018-05-13 13:59:06 KST 0.006568
  • 2018-05-06 22:57:25 KST -0.039272
  • 2018-05-03 15:50:03 KST -0.207232
  • Average -4.3365037

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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.