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://portal.hanyang.ac.kr/sugang/sulg.do server time check history

  • 2019-10-06 23:38:46 KST -0.220336
  • 2019-09-05 17:11:52 KST -0.104663
  • 2019-09-05 16:48:43 KST -0.102328
  • 2019-09-05 16:47:20 KST -0.032875
  • 2019-09-05 16:44:13 KST -0.079285
  • 2019-09-05 16:42:48 KST -0.082274
  • 2019-09-05 16:40:38 KST -0.081610
  • 2019-09-05 16:34:33 KST -0.021047
  • 2019-09-05 16:26:36 KST -0.064193
  • 2019-09-05 16:14:47 KST -3.267762
  • Average -0.4056373

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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.