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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https://m.ticket.yes24.com:442/Perf/Sale/PerfSaleProcess.aspx?IdPerf=32098 server time check history

  • 2019-10-10 14:31:30 KST -0.009676
  • 2019-08-24 06:40:12 KST -0.893271
  • 2019-08-09 23:23:35 KST -0.785695
  • 2019-07-24 16:47:30 KST -0.714646
  • 2019-07-10 22:26:38 KST -0.956243
  • 2019-05-25 15:01:45 KST -0.247121
  • 2019-04-25 00:10:19 KST -0.642380
  • 2019-04-16 07:50:11 KST -0.672288
  • 2019-03-24 18:05:33 KST -0.913419
  • 2019-01-12 23:44:19 KST -0.331857
  • Average -0.6166596

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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.