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://www.megastudy.net/teacher_2007/t_promotion/201712_pr/1212_uyd/main.asp?tec_cd=hanmaeg server time check history

  • 2018-10-04 05:44:48 KST -0.368281
  • 2018-05-24 18:31:01 KST -0.501362
  • 2018-05-14 07:21:10 KST -0.507762
  • 2018-04-28 20:58:38 KST -0.473820
  • 2018-04-21 19:04:33 KST -0.432426
  • 2018-04-14 20:04:25 KST -0.652428
  • 2018-04-09 02:00:20 KST -0.528618
  • 2018-04-01 08:17:41 KST -0.529479
  • 2018-03-23 00:20:31 KST -0.698899
  • 2018-01-11 22:59:17 KST -0.792337
  • Average -0.5485412

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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.