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://sugang.dju.ac.kr/common/login.do server time check history

  • 2019-08-14 09:43:43 KST 0.002301
  • 2019-08-13 09:58:33 KST -0.035043
  • 2019-08-13 09:30:50 KST 0.015968
  • 2019-08-13 09:27:22 KST -0.025606
  • 2019-08-13 09:10:12 KST -0.008557
  • 2019-08-13 09:07:47 KST 0.001075
  • 2018-05-15 11:47:30 KST -329.906077
  • 2018-05-06 10:03:32 KST -323.656701
  • 2018-04-30 12:40:23 KST -319.623425
  • 2018-04-13 15:41:39 KST 82.132937
  • Average -89.1103128

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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.