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

https://portal.skuniv.ac.kr/enterance_exam/common/login.do;jsessionid=kNlHBzShJ3B1PrFz0KUYJSkIPLua0voLyHVXjXeI0kbodwIuMIdJkVCUM8iwi4Dw.was2_servlet_course?method=login server time check history

  • 2018-03-24 08:24:55 KST -0.041352
  • 2018-03-21 04:21:33 KST -0.023083
  • 2018-03-20 18:45:54 KST -0.008851
  • 2018-03-16 07:38:19 KST -0.041669
  • 2018-03-14 12:32:07 KST -0.010865
  • 2018-03-11 21:05:03 KST -0.056507
  • 2018-03-10 12:14:40 KST 0.009748
  • 2018-03-04 23:16:16 KST -0.032841
  • 2018-03-02 06:27:54 KST -0.025156
  • 2018-02-28 15:48:50 KST 0.003781
  • Average -0.0226795

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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.