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://sg.gachon.ac.kr/ server time check history

  • 2021-03-02 08:58:49 KST -0.039750
  • 2021-03-02 08:56:15 KST 0.000335
  • 2021-03-02 08:52:47 KST -0.042659
  • 2021-03-02 08:50:47 KST -0.020938
  • 2021-02-26 08:51:10 KST -0.299981
  • 2021-02-23 08:58:39 KST -0.026423
  • 2021-02-23 08:54:12 KST -0.000989
  • 2021-02-23 08:52:43 KST -0.032718
  • 2021-02-23 08:47:15 KST -0.310681
  • 2021-02-23 08:29:26 KST 0.018794
  • Average -0.075501

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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.