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

  • 2019-10-03 19:11:46 KST 0.147100
  • 2019-09-19 17:50:00 KST 0.049561
  • 2019-09-19 16:37:10 KST -0.003183
  • 2019-09-15 14:44:10 KST 0.094608
  • 2019-09-15 05:34:03 KST 0.073905
  • 2019-09-14 18:20:33 KST 0.151410
  • 2019-09-10 10:26:09 KST 0.058989
  • 2019-08-16 02:29:49 KST 0.206239
  • 2019-08-15 04:04:39 KST 0.199966
  • 2019-08-14 18:52:43 KST 0.207600
  • Average 0.1186195

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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.