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://nko.kr/?url=http://ticket.yes24.com/Pages/Perf/Detail/Detail.aspx?IdPerf=21754 server time check history

  • 2021-01-18 05:59:23 KST 0.096958
  • 2021-01-15 06:32:21 KST 0.075710
  • 2021-01-12 11:18:33 KST 0.010594
  • 2021-01-12 02:37:41 KST 0.037219
  • 2021-01-10 12:52:26 KST 0.018219
  • 2021-01-10 00:30:11 KST 0.071759
  • 2021-01-08 10:56:41 KST 0.013053
  • 2021-01-07 21:53:22 KST 0.050409
  • 2021-01-04 07:58:45 KST 0.107851
  • 2021-01-03 18:44:04 KST 0.020585
  • Average 0.0502357

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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.