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/DetailSpecial.aspx?IdPerf=30112 server time check history

  • 2020-03-20 08:04:25 KST 0.059127
  • 2020-03-04 03:51:33 KST 0.225455
  • 2020-01-13 14:48:09 KST 0.013203
  • 2020-01-11 21:22:08 KST 0.169123
  • 2019-12-30 05:17:53 KST -0.025141
  • 2019-12-29 05:22:34 KST 0.010238
  • 2019-11-13 15:00:44 KST 0.080506
  • 2019-09-30 15:32:44 KST 0.084308
  • 2019-09-21 22:51:52 KST 0.376691
  • 2019-09-09 22:58:44 KST -0.038978
  • Average 0.0954532

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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.