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://cafe.daum.net/WannaOneOfficial server time check history

  • 2018-12-15 03:36:23 KST -0.031112
  • 2018-12-14 22:44:37 KST -0.047897
  • 2018-12-14 09:04:22 KST -0.015554
  • 2018-12-14 09:02:31 KST -0.044708
  • 2018-12-13 17:45:52 KST -0.037486
  • 2018-12-13 15:56:14 KST -0.040567
  • 2018-12-12 15:05:49 KST -0.023995
  • 2018-12-12 14:54:15 KST -0.013204
  • 2018-12-12 13:52:01 KST -0.002695
  • 2018-12-12 13:47:49 KST -0.024927
  • Average -0.0282145

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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.