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://sugang.snu.ac.kr/ server time check history

  • 2021-06-21 20:59:01 KST 0.000208
  • 2021-06-21 19:52:41 KST -0.035711
  • 2021-05-21 10:45:49 KST 0.005973
  • 2021-05-08 11:02:54 KST -0.052353
  • 2021-03-16 18:53:07 KST -1.375769
  • 2020-12-15 06:41:57 KST -0.905196
  • 2020-11-09 08:11:10 KST -0.826812
  • 2020-10-06 17:58:10 KST -0.058073
  • 2020-09-29 03:00:18 KST -0.007659
  • 2020-09-07 13:57:21 KST -0.007502
  • Average -0.3262894

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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.

Information

# 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.