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://qsm.qoo10.jp/GMKT.INC.Gsm.Web/Goods/ItemDiscountManagement.aspx server time check history

  • 2018-09-20 16:23:43 KST -0.090151
  • 2018-09-20 16:19:47 KST -0.228305
  • 2018-05-18 22:01:32 KST -0.049387
  • 2018-05-17 11:19:22 KST -0.048250
  • 2018-05-09 20:42:19 KST -0.057465
  • 2018-05-04 21:53:49 KST 0.014408
  • 2018-04-23 04:40:15 KST 0.012514
  • 2018-04-20 19:22:23 KST -0.021658
  • 2018-04-13 14:47:50 KST -0.152423
  • 2018-04-02 05:18:48 KST -0.012168
  • Average -0.0632885

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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.