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://udrims.dongguk.ac.kr/sugang/ server time check history

  • 2020-10-13 09:12:03 KST -1.766747
  • 2020-09-04 14:14:59 KST -0.829631
  • 2020-09-03 16:10:39 KST -0.492043
  • 2020-09-03 16:03:45 KST -0.505194
  • 2020-09-03 15:21:05 KST -1.758787
  • 2020-09-03 14:05:57 KST -1.522295
  • 2020-09-03 14:02:40 KST -1.494164
  • 2020-09-03 13:53:44 KST -1.312467
  • 2020-09-03 13:52:41 KST -1.266015
  • 2020-09-03 13:42:51 KST -1.299045
  • Average -1.2246388

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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.