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.kumoh.ac.kr/onestop/sugang/w_sugang_1.html server time check history

  • 2026-09-09 06:36:56 KST -0.059038
  • 2026-09-09 03:49:12 KST -0.322001
  • 2026-09-09 01:23:46 KST 0.107643
  • 2026-08-19 04:28:20 KST -0.066905
  • 2026-08-12 20:41:11 KST -0.105512
  • 2026-08-12 17:26:45 KST -0.373650
  • 2026-05-23 10:22:37 KST 0.000368
  • 2026-04-29 09:23:48 KST -0.017769
  • 2026-03-07 06:45:44 KST -0.021687
  • 2026-03-06 16:48:03 KST -0.019723
  • Average -0.0878274

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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.