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=https://m.ticket.yes24.com:442/Perf/Sale/PerfSaleProcess.aspx?IdPerf=31576 server time check history

  • 2020-01-14 20:59:29 KST 0.050639
  • 2019-12-14 09:28:03 KST 0.035597
  • 2019-12-09 19:49:38 KST 0.082357
  • 2019-12-09 17:10:55 KST -0.025371
  • 2019-12-07 02:23:14 KST 0.050451
  • 2019-12-06 20:38:07 KST -0.002608
  • 2019-12-04 21:21:13 KST 0.233211
  • 2019-12-02 09:51:24 KST 0.067712
  • 2019-11-30 09:24:29 KST 0.007875
  • 2019-11-28 17:20:14 KST -0.042102
  • Average 0.0457761

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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.