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://ticket.yes24.com/Perf/39029?Gcode=009_217_001 server time check history

  • 2021-07-22 13:58:55 KST -0.635301
  • 2021-07-22 13:56:36 KST -0.901251
  • 2021-07-22 13:43:48 KST -0.802221
  • 2021-06-07 14:03:50 KST -0.138979
  • 2021-06-07 13:59:04 KST -0.557456
  • 2021-06-07 13:57:56 KST 0.133818
  • 2021-06-07 13:56:08 KST -0.127907
  • 2021-06-07 13:46:40 KST -0.697859
  • 2021-06-05 00:00:02 KST -0.716920
  • 2021-05-11 14:56:44 KST -0.166159
  • Average -0.4610235

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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.