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://sugang.ewha.ac.kr/ server time check history

  • 2025-05-29 08:48:39 KST 0.025254
  • 2025-05-28 14:27:36 KST -0.309788
  • 2025-05-28 13:54:00 KST 0.011890
  • 2025-05-28 13:52:25 KST -0.062197
  • 2025-05-27 08:57:11 KST -0.000331
  • 2025-05-27 08:55:20 KST -0.021230
  • 2025-05-27 08:48:30 KST 0.032200
  • 2025-05-27 08:45:30 KST 0.001714
  • 2025-05-27 08:43:45 KST -0.026710
  • 2025-05-06 09:12:16 KST 0.005374
  • Average -0.0343824

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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.