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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우리말 English

http://s.mokwon.ac.kr/ server time check history

  • 2020-08-19 08:59:38 KST -0.334798
  • 2020-08-19 08:58:21 KST 0.005451
  • 2020-08-19 08:57:11 KST 0.001738
  • 2020-08-19 08:53:47 KST -0.305141
  • 2020-08-19 08:40:06 KST -0.077202
  • 2020-08-19 08:20:28 KST -0.102892
  • 2020-08-18 08:55:35 KST -0.157490
  • 2020-03-26 13:03:30 KST -0.038400
  • 2020-03-16 12:57:28 KST -0.199565
  • 2020-03-05 16:46:36 KST -0.385000
  • Average -0.1593299

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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.