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://ticket.melon.com/performance/index.htm?prodId=201441 server time check history

  • 2020-03-25 18:22:59 KST -0.007863
  • 2019-08-23 13:39:14 KST 0.007583
  • 2018-05-19 00:43:54 KST -0.005423
  • 2018-05-09 15:09:58 KST -0.039536
  • 2018-05-01 05:49:57 KST -0.033723
  • 2018-04-20 21:51:29 KST -0.026878
  • 2018-04-10 06:13:46 KST -0.036294
  • 2018-03-13 19:39:24 KST 0.047219
  • 2018-02-08 14:00:00 KST -0.012366
  • Average -0.011920111111111

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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.