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/WannaOne server time check history

  • 2020-07-12 12:19:22 KST -0.056429
  • 2020-01-13 07:31:19 KST -0.063418
  • 2020-01-05 18:24:28 KST -0.025696
  • 2019-12-17 06:36:44 KST -0.029557
  • 2019-05-31 10:17:18 KST -0.070731
  • 2019-05-30 00:41:33 KST -0.031987
  • 2018-11-30 15:31:50 KST -0.013402
  • 2018-10-30 22:59:14 KST -0.053829
  • 2018-09-07 23:32:26 KST -0.058297
  • 2018-08-11 11:56:53 KST -0.006461
  • Average -0.0409807

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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.